Home / 144,145.20-216,217.80-104,516.40

Finding the Fourth Proportional to 144,145.20, 216,217.80 and 104,516.40

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Solution

The fourth proportional to 144,145.20, 216,217.80 and 104,516.40 is: 156,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,145.20 : 216,217.80 = 104,516.40 : x
  2. Step 2: Convert to fraction form
    144,145.20/216,217.80 = 104,516.40/x
  3. Step 3: Cross multiply
    144,145.20x = 216,217.80 × 104,516.40
  4. Step 4: Simplify right side
    144,145.20x = 22,598,306,071.92
  5. Step 5: Solve for x
    x = 22,598,306,071.92/144,145.20
  6. Step 6: Final answer
    x = 156,774.60

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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.