Home / 125,110.22-172,654.99-71,400.24

Finding the Fourth Proportional to 125,110.22, 172,654.99 and 71,400.24

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Solution

The fourth proportional to 125,110.22, 172,654.99 and 71,400.24 is: 98,533.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,110.22 : 172,654.99 = 71,400.24 : x
  2. Step 2: Convert to fraction form
    125,110.22/172,654.99 = 71,400.24/x
  3. Step 3: Cross multiply
    125,110.22x = 172,654.99 × 71,400.24
  4. Step 4: Simplify right side
    125,110.22x = 12,327,607,544.70
  5. Step 5: Solve for x
    x = 12,327,607,544.70/125,110.22
  6. Step 6: Final answer
    x = 98,533.98

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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.