Home / 115,089.28-172,454.86-43,973.14

Finding the Fourth Proportional to 115,089.28, 172,454.86 and 43,973.14

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Solution

The fourth proportional to 115,089.28, 172,454.86 and 43,973.14 is: 65,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,089.28 : 172,454.86 = 43,973.14 : x
  2. Step 2: Convert to fraction form
    115,089.28/172,454.86 = 43,973.14/x
  3. Step 3: Cross multiply
    115,089.28x = 172,454.86 × 43,973.14
  4. Step 4: Simplify right side
    115,089.28x = 7,583,381,702.46
  5. Step 5: Solve for x
    x = 7,583,381,702.46/115,089.28
  6. Step 6: Final answer
    x = 65,891.30

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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.