Home / 98,386.14-147,598.17-31,842.78

Finding the Fourth Proportional to 98,386.14, 147,598.17 and 31,842.78

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Solution

The fourth proportional to 98,386.14, 147,598.17 and 31,842.78 is: 47,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,386.14 : 147,598.17 = 31,842.78 : x
  2. Step 2: Convert to fraction form
    98,386.14/147,598.17 = 31,842.78/x
  3. Step 3: Cross multiply
    98,386.14x = 147,598.17 × 31,842.78
  4. Step 4: Simplify right side
    98,386.14x = 4,699,936,055.71
  5. Step 5: Solve for x
    x = 4,699,936,055.71/98,386.14
  6. Step 6: Final answer
    x = 47,770.31

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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.