Home / 134,852.60-202,278.90-87,613.40

Finding the Fourth Proportional to 134,852.60, 202,278.90 and 87,613.40

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Solution

The fourth proportional to 134,852.60, 202,278.90 and 87,613.40 is: 131,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,852.60 : 202,278.90 = 87,613.40 : x
  2. Step 2: Convert to fraction form
    134,852.60/202,278.90 = 87,613.40/x
  3. Step 3: Cross multiply
    134,852.60x = 202,278.90 × 87,613.40
  4. Step 4: Simplify right side
    134,852.60x = 17,722,342,177.26
  5. Step 5: Solve for x
    x = 17,722,342,177.26/134,852.60
  6. Step 6: Final answer
    x = 131,420.10

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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.