Home / 125,844.30-173,662.38-72,160.92

Finding the Fourth Proportional to 125,844.30, 173,662.38 and 72,160.92

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Solution

The fourth proportional to 125,844.30, 173,662.38 and 72,160.92 is: 99,580.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,844.30 : 173,662.38 = 72,160.92 : x
  2. Step 2: Convert to fraction form
    125,844.30/173,662.38 = 72,160.92/x
  3. Step 3: Cross multiply
    125,844.30x = 173,662.38 × 72,160.92
  4. Step 4: Simplify right side
    125,844.30x = 12,531,637,110.19
  5. Step 5: Solve for x
    x = 12,531,637,110.19/125,844.30
  6. Step 6: Final answer
    x = 99,580.49

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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.