Home / 117,426.40-176,139.60-38,521.60

Finding the Fourth Proportional to 117,426.40, 176,139.60 and 38,521.60

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Solution

The fourth proportional to 117,426.40, 176,139.60 and 38,521.60 is: 57,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,426.40 : 176,139.60 = 38,521.60 : x
  2. Step 2: Convert to fraction form
    117,426.40/176,139.60 = 38,521.60/x
  3. Step 3: Cross multiply
    117,426.40x = 176,139.60 × 38,521.60
  4. Step 4: Simplify right side
    117,426.40x = 6,785,179,215.36
  5. Step 5: Solve for x
    x = 6,785,179,215.36/117,426.40
  6. Step 6: Final answer
    x = 57,782.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.