Home / 125,472.18-173,151.74-68,111.47

Finding the Fourth Proportional to 125,472.18, 173,151.74 and 68,111.47

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Solution

The fourth proportional to 125,472.18, 173,151.74 and 68,111.47 is: 93,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,472.18 : 173,151.74 = 68,111.47 : x
  2. Step 2: Convert to fraction form
    125,472.18/173,151.74 = 68,111.47/x
  3. Step 3: Cross multiply
    125,472.18x = 173,151.74 × 68,111.47
  4. Step 4: Simplify right side
    125,472.18x = 11,793,619,931.18
  5. Step 5: Solve for x
    x = 11,793,619,931.18/125,472.18
  6. Step 6: Final answer
    x = 93,993.90

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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.