Home / 145,311.30-217,966.95-124,316.10

Finding the Fourth Proportional to 145,311.30, 217,966.95 and 124,316.10

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Solution

The fourth proportional to 145,311.30, 217,966.95 and 124,316.10 is: 186,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,311.30 : 217,966.95 = 124,316.10 : x
  2. Step 2: Convert to fraction form
    145,311.30/217,966.95 = 124,316.10/x
  3. Step 3: Cross multiply
    145,311.30x = 217,966.95 × 124,316.10
  4. Step 4: Simplify right side
    145,311.30x = 27,096,801,152.90
  5. Step 5: Solve for x
    x = 27,096,801,152.90/145,311.30
  6. Step 6: Final answer
    x = 186,474.15

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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.