Home / 155,513.64-214,609.14-88,445.64

Finding the Fourth Proportional to 155,513.64, 214,609.14 and 88,445.64

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Solution

The fourth proportional to 155,513.64, 214,609.14 and 88,445.64 is: 122,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,513.64 : 214,609.14 = 88,445.64 : x
  2. Step 2: Convert to fraction form
    155,513.64/214,609.14 = 88,445.64/x
  3. Step 3: Cross multiply
    155,513.64x = 214,609.14 × 88,445.64
  4. Step 4: Simplify right side
    155,513.64x = 18,981,242,737.15
  5. Step 5: Solve for x
    x = 18,981,242,737.15/155,513.64
  6. Step 6: Final answer
    x = 122,055.16

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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.