Home / 74,154.52-102,332.64-40,162.23

Finding the Fourth Proportional to 74,154.52, 102,332.64 and 40,162.23

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Solution

The fourth proportional to 74,154.52, 102,332.64 and 40,162.23 is: 55,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,154.52 : 102,332.64 = 40,162.23 : x
  2. Step 2: Convert to fraction form
    74,154.52/102,332.64 = 40,162.23/x
  3. Step 3: Cross multiply
    74,154.52x = 102,332.64 × 40,162.23
  4. Step 4: Simplify right side
    74,154.52x = 4,109,907,174.80
  5. Step 5: Solve for x
    x = 4,109,907,174.80/74,154.52
  6. Step 6: Final answer
    x = 55,423.55

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1.5x scale

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.