Home / 125,254.72-172,841.92-71,532.32

Finding the Fourth Proportional to 125,254.72, 172,841.92 and 71,532.32

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Solution

The fourth proportional to 125,254.72, 172,841.92 and 71,532.32 is: 98,709.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,254.72 : 172,841.92 = 71,532.32 : x
  2. Step 2: Convert to fraction form
    125,254.72/172,841.92 = 71,532.32/x
  3. Step 3: Cross multiply
    125,254.72x = 172,841.92 × 71,532.32
  4. Step 4: Simplify right side
    125,254.72x = 12,363,783,530.85
  5. Step 5: Solve for x
    x = 12,363,783,530.85/125,254.72
  6. Step 6: Final answer
    x = 98,709.12

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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.