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Finding the Fourth Proportional to 176,427.40, 266,101.84 and 164,763.40

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Solution

The fourth proportional to 176,427.40, 266,101.84 and 164,763.40 is: 248,509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,427.40 : 266,101.84 = 164,763.40 : x
  2. Step 2: Convert to fraction form
    176,427.40/266,101.84 = 164,763.40/x
  3. Step 3: Cross multiply
    176,427.40x = 266,101.84 × 164,763.40
  4. Step 4: Simplify right side
    176,427.40x = 43,843,843,904.66
  5. Step 5: Solve for x
    x = 43,843,843,904.66/176,427.40
  6. Step 6: Final answer
    x = 248,509.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.