Home / 74,159.52-102,339.51-40,167.23

Finding the Fourth Proportional to 74,159.52, 102,339.51 and 40,167.23

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Solution

The fourth proportional to 74,159.52, 102,339.51 and 40,167.23 is: 55,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,159.52 : 102,339.51 = 40,167.23 : x
  2. Step 2: Convert to fraction form
    74,159.52/102,339.51 = 40,167.23/x
  3. Step 3: Cross multiply
    74,159.52x = 102,339.51 × 40,167.23
  4. Step 4: Simplify right side
    74,159.52x = 4,110,694,124.56
  5. Step 5: Solve for x
    x = 4,110,694,124.56/74,159.52
  6. Step 6: Final answer
    x = 55,430.43

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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.