Home / 136,078.42-204,210.50-47,331.04

Finding the Fourth Proportional to 136,078.42, 204,210.50 and 47,331.04

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Solution

The fourth proportional to 136,078.42, 204,210.50 and 47,331.04 is: 71,028.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,078.42 : 204,210.50 = 47,331.04 : x
  2. Step 2: Convert to fraction form
    136,078.42/204,210.50 = 47,331.04/x
  3. Step 3: Cross multiply
    136,078.42x = 204,210.50 × 47,331.04
  4. Step 4: Simplify right side
    136,078.42x = 9,665,495,343.92
  5. Step 5: Solve for x
    x = 9,665,495,343.92/136,078.42
  6. Step 6: Final answer
    x = 71,028.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.