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Finding the Fourth Proportional to 96,627.60, 144,941.40 and 87,296.40

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Solution

The fourth proportional to 96,627.60, 144,941.40 and 87,296.40 is: 130,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,627.60 : 144,941.40 = 87,296.40 : x
  2. Step 2: Convert to fraction form
    96,627.60/144,941.40 = 87,296.40/x
  3. Step 3: Cross multiply
    96,627.60x = 144,941.40 × 87,296.40
  4. Step 4: Simplify right side
    96,627.60x = 12,652,862,430.96
  5. Step 5: Solve for x
    x = 12,652,862,430.96/96,627.60
  6. Step 6: Final answer
    x = 130,944.60

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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.