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Finding the Fourth Proportional to 159,510.35, 220,059.83 and 102,134.40

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Solution

The fourth proportional to 159,510.35, 220,059.83 and 102,134.40 is: 140,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,510.35 : 220,059.83 = 102,134.40 : x
  2. Step 2: Convert to fraction form
    159,510.35/220,059.83 = 102,134.40/x
  3. Step 3: Cross multiply
    159,510.35x = 220,059.83 × 102,134.40
  4. Step 4: Simplify right side
    159,510.35x = 22,475,678,190.48
  5. Step 5: Solve for x
    x = 22,475,678,190.48/159,510.35
  6. Step 6: Final answer
    x = 140,904.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.