Home / 134,432.50-185,516.85-74,830.58

Finding the Fourth Proportional to 134,432.50, 185,516.85 and 74,830.58

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Solution

The fourth proportional to 134,432.50, 185,516.85 and 74,830.58 is: 103,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,432.50 : 185,516.85 = 74,830.58 : x
  2. Step 2: Convert to fraction form
    134,432.50/185,516.85 = 74,830.58/x
  3. Step 3: Cross multiply
    134,432.50x = 185,516.85 × 74,830.58
  4. Step 4: Simplify right side
    134,432.50x = 13,882,333,485.27
  5. Step 5: Solve for x
    x = 13,882,333,485.27/134,432.50
  6. Step 6: Final answer
    x = 103,266.20

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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.