Home / 125,426.50-173,088.69-71,712.64

Finding the Fourth Proportional to 125,426.50, 173,088.69 and 71,712.64

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Solution

The fourth proportional to 125,426.50, 173,088.69 and 71,712.64 is: 98,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,426.50 : 173,088.69 = 71,712.64 : x
  2. Step 2: Convert to fraction form
    125,426.50/173,088.69 = 71,712.64/x
  3. Step 3: Cross multiply
    125,426.50x = 173,088.69 × 71,712.64
  4. Step 4: Simplify right side
    125,426.50x = 12,412,646,914.04
  5. Step 5: Solve for x
    x = 12,412,646,914.04/125,426.50
  6. Step 6: Final answer
    x = 98,963.51

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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.