Home / 74,152.83-102,330.33-40,160.52

Finding the Fourth Proportional to 74,152.83, 102,330.33 and 40,160.52

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Solution

The fourth proportional to 74,152.83, 102,330.33 and 40,160.52 is: 55,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,152.83 : 102,330.33 = 40,160.52 : x
  2. Step 2: Convert to fraction form
    74,152.83/102,330.33 = 40,160.52/x
  3. Step 3: Cross multiply
    74,152.83x = 102,330.33 × 40,160.52
  4. Step 4: Simplify right side
    74,152.83x = 4,109,639,264.57
  5. Step 5: Solve for x
    x = 4,109,639,264.57/74,152.83
  6. Step 6: Final answer
    x = 55,421.21

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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.