Home / 161,702.64-223,139.93-90,069.89

Finding the Fourth Proportional to 161,702.64, 223,139.93 and 90,069.89

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Solution

The fourth proportional to 161,702.64, 223,139.93 and 90,069.89 is: 124,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,702.64 : 223,139.93 = 90,069.89 : x
  2. Step 2: Convert to fraction form
    161,702.64/223,139.93 = 90,069.89/x
  3. Step 3: Cross multiply
    161,702.64x = 223,139.93 × 90,069.89
  4. Step 4: Simplify right side
    161,702.64x = 20,098,187,383.66
  5. Step 5: Solve for x
    x = 20,098,187,383.66/161,702.64
  6. Step 6: Final answer
    x = 124,291.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.