Home / 98,646.04-147,952.86-42,471.02

Finding the Fourth Proportional to 98,646.04, 147,952.86 and 42,471.02

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Solution

The fourth proportional to 98,646.04, 147,952.86 and 42,471.02 is: 63,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,646.04 : 147,952.86 = 42,471.02 : x
  2. Step 2: Convert to fraction form
    98,646.04/147,952.86 = 42,471.02/x
  3. Step 3: Cross multiply
    98,646.04x = 147,952.86 × 42,471.02
  4. Step 4: Simplify right side
    98,646.04x = 6,283,708,876.12
  5. Step 5: Solve for x
    x = 6,283,708,876.12/98,646.04
  6. Step 6: Final answer
    x = 63,699.56

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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.