Home / 106,718.28-147,280.55-58,980.85

Finding the Fourth Proportional to 106,718.28, 147,280.55 and 58,980.85

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Solution

The fourth proportional to 106,718.28, 147,280.55 and 58,980.85 is: 81,398.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,718.28 : 147,280.55 = 58,980.85 : x
  2. Step 2: Convert to fraction form
    106,718.28/147,280.55 = 58,980.85/x
  3. Step 3: Cross multiply
    106,718.28x = 147,280.55 × 58,980.85
  4. Step 4: Simplify right side
    106,718.28x = 8,686,732,027.47
  5. Step 5: Solve for x
    x = 8,686,732,027.47/106,718.28
  6. Step 6: Final answer
    x = 81,398.73

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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.