Home / 99,642.36-149,502.42-57,500.18

Finding the Fourth Proportional to 99,642.36, 149,502.42 and 57,500.18

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Solution

The fourth proportional to 99,642.36, 149,502.42 and 57,500.18 is: 86,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,642.36 : 149,502.42 = 57,500.18 : x
  2. Step 2: Convert to fraction form
    99,642.36/149,502.42 = 57,500.18/x
  3. Step 3: Cross multiply
    99,642.36x = 149,502.42 × 57,500.18
  4. Step 4: Simplify right side
    99,642.36x = 8,596,416,060.44
  5. Step 5: Solve for x
    x = 8,596,416,060.44/99,642.36
  6. Step 6: Final answer
    x = 86,272.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.