Home / 125,023.77-172,490.10-71,270.04

Finding the Fourth Proportional to 125,023.77, 172,490.10 and 71,270.04

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Solution

The fourth proportional to 125,023.77, 172,490.10 and 71,270.04 is: 98,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,023.77 : 172,490.10 = 71,270.04 : x
  2. Step 2: Convert to fraction form
    125,023.77/172,490.10 = 71,270.04/x
  3. Step 3: Cross multiply
    125,023.77x = 172,490.10 × 71,270.04
  4. Step 4: Simplify right side
    125,023.77x = 12,293,376,326.60
  5. Step 5: Solve for x
    x = 12,293,376,326.60/125,023.77
  6. Step 6: Final answer
    x = 98,328.31

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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.