Home / 125,184.42-172,770.57-71,457.12

Finding the Fourth Proportional to 125,184.42, 172,770.57 and 71,457.12

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Solution

The fourth proportional to 125,184.42, 172,770.57 and 71,457.12 is: 98,620.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,184.42 : 172,770.57 = 71,457.12 : x
  2. Step 2: Convert to fraction form
    125,184.42/172,770.57 = 71,457.12/x
  3. Step 3: Cross multiply
    125,184.42x = 172,770.57 × 71,457.12
  4. Step 4: Simplify right side
    125,184.42x = 12,345,687,352.96
  5. Step 5: Solve for x
    x = 12,345,687,352.96/125,184.42
  6. Step 6: Final answer
    x = 98,620.00

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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.