Home / 98,333.91-147,501-42,137.58

Finding the Fourth Proportional to 98,333.91, 147,501 and 42,137.58

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Solution

The fourth proportional to 98,333.91, 147,501 and 42,137.58 is: 63,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,333.91 : 147,501 = 42,137.58 : x
  2. Step 2: Convert to fraction form
    98,333.91/147,501 = 42,137.58/x
  3. Step 3: Cross multiply
    98,333.91x = 147,501 × 42,137.58
  4. Step 4: Simplify right side
    98,333.91x = 6,215,335,187.58
  5. Step 5: Solve for x
    x = 6,215,335,187.58/98,333.91
  6. Step 6: Final answer
    x = 63,206.43

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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.