Home / 125,077.99-172,606.42-67,715.85

Finding the Fourth Proportional to 125,077.99, 172,606.42 and 67,715.85

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Solution

The fourth proportional to 125,077.99, 172,606.42 and 67,715.85 is: 93,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,077.99 : 172,606.42 = 67,715.85 : x
  2. Step 2: Convert to fraction form
    125,077.99/172,606.42 = 67,715.85/x
  3. Step 3: Cross multiply
    125,077.99x = 172,606.42 × 67,715.85
  4. Step 4: Simplify right side
    125,077.99x = 11,688,190,445.76
  5. Step 5: Solve for x
    x = 11,688,190,445.76/125,077.99
  6. Step 6: Final answer
    x = 93,447.22

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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.