Home / 151,138.04-208,565.96-83,154.87

Finding the Fourth Proportional to 151,138.04, 208,565.96 and 83,154.87

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Solution

The fourth proportional to 151,138.04, 208,565.96 and 83,154.87 is: 114,751.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,138.04 : 208,565.96 = 83,154.87 : x
  2. Step 2: Convert to fraction form
    151,138.04/208,565.96 = 83,154.87/x
  3. Step 3: Cross multiply
    151,138.04x = 208,565.96 × 83,154.87
  4. Step 4: Simplify right side
    151,138.04x = 17,343,274,874.45
  5. Step 5: Solve for x
    x = 17,343,274,874.45/151,138.04
  6. Step 6: Final answer
    x = 114,751.23

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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.