Home / 105,397.20-158,079.24-34,322.40

Finding the Fourth Proportional to 105,397.20, 158,079.24 and 34,322.40

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Solution

The fourth proportional to 105,397.20, 158,079.24 and 34,322.40 is: 51,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,397.20 : 158,079.24 = 34,322.40 : x
  2. Step 2: Convert to fraction form
    105,397.20/158,079.24 = 34,322.40/x
  3. Step 3: Cross multiply
    105,397.20x = 158,079.24 × 34,322.40
  4. Step 4: Simplify right side
    105,397.20x = 5,425,658,906.98
  5. Step 5: Solve for x
    x = 5,425,658,906.98/105,397.20
  6. Step 6: Final answer
    x = 51,478.21

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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.