Home / 130,751.20-196,156.14-42,009.76

Finding the Fourth Proportional to 130,751.20, 196,156.14 and 42,009.76

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Solution

The fourth proportional to 130,751.20, 196,156.14 and 42,009.76 is: 63,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,751.20 : 196,156.14 = 42,009.76 : x
  2. Step 2: Convert to fraction form
    130,751.20/196,156.14 = 42,009.76/x
  3. Step 3: Cross multiply
    130,751.20x = 196,156.14 × 42,009.76
  4. Step 4: Simplify right side
    130,751.20x = 8,240,472,363.93
  5. Step 5: Solve for x
    x = 8,240,472,363.93/130,751.20
  6. Step 6: Final answer
    x = 63,024.07

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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.