Home / 130,432.80-195,516.81-74,156.58

Finding the Fourth Proportional to 130,432.80, 195,516.81 and 74,156.58

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Solution

The fourth proportional to 130,432.80, 195,516.81 and 74,156.58 is: 111,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,432.80 : 195,516.81 = 74,156.58 : x
  2. Step 2: Convert to fraction form
    130,432.80/195,516.81 = 74,156.58/x
  3. Step 3: Cross multiply
    130,432.80x = 195,516.81 × 74,156.58
  4. Step 4: Simplify right side
    130,432.80x = 14,498,857,962.11
  5. Step 5: Solve for x
    x = 14,498,857,962.11/130,432.80
  6. Step 6: Final answer
    x = 111,159.60

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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.