Home / 161,702.40-223,122.72-90,066.24

Finding the Fourth Proportional to 161,702.40, 223,122.72 and 90,066.24

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Solution

The fourth proportional to 161,702.40, 223,122.72 and 90,066.24 is: 124,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,702.40 : 223,122.72 = 90,066.24 : x
  2. Step 2: Convert to fraction form
    161,702.40/223,122.72 = 90,066.24/x
  3. Step 3: Cross multiply
    161,702.40x = 223,122.72 × 90,066.24
  4. Step 4: Simplify right side
    161,702.40x = 20,095,824,448.97
  5. Step 5: Solve for x
    x = 20,095,824,448.97/161,702.40
  6. Step 6: Final answer
    x = 124,276.60

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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.