Home / 147,037.28-220,628.88-58,288.82

Finding the Fourth Proportional to 147,037.28, 220,628.88 and 58,288.82

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Solution

The fourth proportional to 147,037.28, 220,628.88 and 58,288.82 is: 87,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,037.28 : 220,628.88 = 58,288.82 : x
  2. Step 2: Convert to fraction form
    147,037.28/220,628.88 = 58,288.82/x
  3. Step 3: Cross multiply
    147,037.28x = 220,628.88 × 58,288.82
  4. Step 4: Simplify right side
    147,037.28x = 12,860,195,969.98
  5. Step 5: Solve for x
    x = 12,860,195,969.98/147,037.28
  6. Step 6: Final answer
    x = 87,462.15

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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.