Home / 125,877.31-173,705.58-72,124.97

Finding the Fourth Proportional to 125,877.31, 173,705.58 and 72,124.97

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Solution

The fourth proportional to 125,877.31, 173,705.58 and 72,124.97 is: 99,529.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,877.31 : 173,705.58 = 72,124.97 : x
  2. Step 2: Convert to fraction form
    125,877.31/173,705.58 = 72,124.97/x
  3. Step 3: Cross multiply
    125,877.31x = 173,705.58 × 72,124.97
  4. Step 4: Simplify right side
    125,877.31x = 12,528,508,877.80
  5. Step 5: Solve for x
    x = 12,528,508,877.80/125,877.31
  6. Step 6: Final answer
    x = 99,529.53

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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.