Home / 115,264.08-159,065.13-64,280.04

Finding the Fourth Proportional to 115,264.08, 159,065.13 and 64,280.04

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Solution

The fourth proportional to 115,264.08, 159,065.13 and 64,280.04 is: 88,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,264.08 : 159,065.13 = 64,280.04 : x
  2. Step 2: Convert to fraction form
    115,264.08/159,065.13 = 64,280.04/x
  3. Step 3: Cross multiply
    115,264.08x = 159,065.13 × 64,280.04
  4. Step 4: Simplify right side
    115,264.08x = 10,224,712,919.01
  5. Step 5: Solve for x
    x = 10,224,712,919.01/115,264.08
  6. Step 6: Final answer
    x = 88,706.85

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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.