Home / 125,244.16-172,848.90-71,537.20

Finding the Fourth Proportional to 125,244.16, 172,848.90 and 71,537.20

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Solution

The fourth proportional to 125,244.16, 172,848.90 and 71,537.20 is: 98,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,244.16 : 172,848.90 = 71,537.20 : x
  2. Step 2: Convert to fraction form
    125,244.16/172,848.90 = 71,537.20/x
  3. Step 3: Cross multiply
    125,244.16x = 172,848.90 × 71,537.20
  4. Step 4: Simplify right side
    125,244.16x = 12,365,126,329.08
  5. Step 5: Solve for x
    x = 12,365,126,329.08/125,244.16
  6. Step 6: Final answer
    x = 98,728.17

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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.