Home / 125,033.49-172,544.18-71,318.34

Finding the Fourth Proportional to 125,033.49, 172,544.18 and 71,318.34

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Solution

The fourth proportional to 125,033.49, 172,544.18 and 71,318.34 is: 98,418.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,033.49 : 172,544.18 = 71,318.34 : x
  2. Step 2: Convert to fraction form
    125,033.49/172,544.18 = 71,318.34/x
  3. Step 3: Cross multiply
    125,033.49x = 172,544.18 × 71,318.34
  4. Step 4: Simplify right side
    125,033.49x = 12,305,564,137.67
  5. Step 5: Solve for x
    x = 12,305,564,137.67/125,033.49
  6. Step 6: Final answer
    x = 98,418.14

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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.