Home / 181,319.09-250,205.27-99,643.04

Finding the Fourth Proportional to 181,319.09, 250,205.27 and 99,643.04

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Solution

The fourth proportional to 181,319.09, 250,205.27 and 99,643.04 is: 137,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,319.09 : 250,205.27 = 99,643.04 : x
  2. Step 2: Convert to fraction form
    181,319.09/250,205.27 = 99,643.04/x
  3. Step 3: Cross multiply
    181,319.09x = 250,205.27 × 99,643.04
  4. Step 4: Simplify right side
    181,319.09x = 24,931,212,724.90
  5. Step 5: Solve for x
    x = 24,931,212,724.90/181,319.09
  6. Step 6: Final answer
    x = 137,499.11

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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.