Home / 125,028.54-172,535.13-71,330.94

Finding the Fourth Proportional to 125,028.54, 172,535.13 and 71,330.94

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Solution

The fourth proportional to 125,028.54, 172,535.13 and 71,330.94 is: 98,434.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,028.54 : 172,535.13 = 71,330.94 : x
  2. Step 2: Convert to fraction form
    125,028.54/172,535.13 = 71,330.94/x
  3. Step 3: Cross multiply
    125,028.54x = 172,535.13 × 71,330.94
  4. Step 4: Simplify right side
    125,028.54x = 12,307,093,005.92
  5. Step 5: Solve for x
    x = 12,307,093,005.92/125,028.54
  6. Step 6: Final answer
    x = 98,434.27

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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.