Home / 147,292.20-221,024.70-53,807.40

Finding the Fourth Proportional to 147,292.20, 221,024.70 and 53,807.40

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Solution

The fourth proportional to 147,292.20, 221,024.70 and 53,807.40 is: 80,742.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,292.20 : 221,024.70 = 53,807.40 : x
  2. Step 2: Convert to fraction form
    147,292.20/221,024.70 = 53,807.40/x
  3. Step 3: Cross multiply
    147,292.20x = 221,024.70 × 53,807.40
  4. Step 4: Simplify right side
    147,292.20x = 11,892,764,442.78
  5. Step 5: Solve for x
    x = 11,892,764,442.78/147,292.20
  6. Step 6: Final answer
    x = 80,742.66

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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.