Home / 96,946.20-145,419.30-73,445.40

Finding the Fourth Proportional to 96,946.20, 145,419.30 and 73,445.40

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Solution

The fourth proportional to 96,946.20, 145,419.30 and 73,445.40 is: 110,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,946.20 : 145,419.30 = 73,445.40 : x
  2. Step 2: Convert to fraction form
    96,946.20/145,419.30 = 73,445.40/x
  3. Step 3: Cross multiply
    96,946.20x = 145,419.30 × 73,445.40
  4. Step 4: Simplify right side
    96,946.20x = 10,680,378,656.22
  5. Step 5: Solve for x
    x = 10,680,378,656.22/96,946.20
  6. Step 6: Final answer
    x = 110,168.10

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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.