Home / 162,135.56-223,756.04-90,516.16

Finding the Fourth Proportional to 162,135.56, 223,756.04 and 90,516.16

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Solution

The fourth proportional to 162,135.56, 223,756.04 and 90,516.16 is: 124,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,135.56 : 223,756.04 = 90,516.16 : x
  2. Step 2: Convert to fraction form
    162,135.56/223,756.04 = 90,516.16/x
  3. Step 3: Cross multiply
    162,135.56x = 223,756.04 × 90,516.16
  4. Step 4: Simplify right side
    162,135.56x = 20,253,537,517.61
  5. Step 5: Solve for x
    x = 20,253,537,517.61/162,135.56
  6. Step 6: Final answer
    x = 124,917.31

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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.