Home / 145,946.30-218,919.45-96,082.70

Finding the Fourth Proportional to 145,946.30, 218,919.45 and 96,082.70

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Solution

The fourth proportional to 145,946.30, 218,919.45 and 96,082.70 is: 144,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,946.30 : 218,919.45 = 96,082.70 : x
  2. Step 2: Convert to fraction form
    145,946.30/218,919.45 = 96,082.70/x
  3. Step 3: Cross multiply
    145,946.30x = 218,919.45 × 96,082.70
  4. Step 4: Simplify right side
    145,946.30x = 21,034,371,838.52
  5. Step 5: Solve for x
    x = 21,034,371,838.52/145,946.30
  6. Step 6: Final answer
    x = 144,124.05

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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.