Home / 159,718.20-239,490.90-66,233.40

Finding the Fourth Proportional to 159,718.20, 239,490.90 and 66,233.40

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Solution

The fourth proportional to 159,718.20, 239,490.90 and 66,233.40 is: 99,314.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,718.20 : 239,490.90 = 66,233.40 : x
  2. Step 2: Convert to fraction form
    159,718.20/239,490.90 = 66,233.40/x
  3. Step 3: Cross multiply
    159,718.20x = 239,490.90 × 66,233.40
  4. Step 4: Simplify right side
    159,718.20x = 15,862,296,576.06
  5. Step 5: Solve for x
    x = 15,862,296,576.06/159,718.20
  6. Step 6: Final answer
    x = 99,314.27

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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.