Home / 98,619.12-147,927.77-42,498.88

Finding the Fourth Proportional to 98,619.12, 147,927.77 and 42,498.88

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Solution

The fourth proportional to 98,619.12, 147,927.77 and 42,498.88 is: 63,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,619.12 : 147,927.77 = 42,498.88 : x
  2. Step 2: Convert to fraction form
    98,619.12/147,927.77 = 42,498.88/x
  3. Step 3: Cross multiply
    98,619.12x = 147,927.77 × 42,498.88
  4. Step 4: Simplify right side
    98,619.12x = 6,286,764,916.74
  5. Step 5: Solve for x
    x = 6,286,764,916.74/98,619.12
  6. Step 6: Final answer
    x = 63,747.93

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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.