Home / 218,962.11-328,285.54-134,547.87

Finding the Fourth Proportional to 218,962.11, 328,285.54 and 134,547.87

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Solution

The fourth proportional to 218,962.11, 328,285.54 and 134,547.87 is: 201,724.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,962.11 : 328,285.54 = 134,547.87 : x
  2. Step 2: Convert to fraction form
    218,962.11/328,285.54 = 134,547.87/x
  3. Step 3: Cross multiply
    218,962.11x = 328,285.54 × 134,547.87
  4. Step 4: Simplify right side
    218,962.11x = 44,170,120,158.80
  5. Step 5: Solve for x
    x = 44,170,120,158.80/218,962.11
  6. Step 6: Final answer
    x = 201,724.95

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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.