Home / 98,218.74-147,229.47-31,609.92

Finding the Fourth Proportional to 98,218.74, 147,229.47 and 31,609.92

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Solution

The fourth proportional to 98,218.74, 147,229.47 and 31,609.92 is: 47,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,218.74 : 147,229.47 = 31,609.92 : x
  2. Step 2: Convert to fraction form
    98,218.74/147,229.47 = 31,609.92/x
  3. Step 3: Cross multiply
    98,218.74x = 147,229.47 × 31,609.92
  4. Step 4: Simplify right side
    98,218.74x = 4,653,911,768.34
  5. Step 5: Solve for x
    x = 4,653,911,768.34/98,218.74
  6. Step 6: Final answer
    x = 47,383.13

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1.5x scale

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.