Home / 98,291.14-147,446.28-39,112.98

Finding the Fourth Proportional to 98,291.14, 147,446.28 and 39,112.98

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Solution

The fourth proportional to 98,291.14, 147,446.28 and 39,112.98 is: 58,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,291.14 : 147,446.28 = 39,112.98 : x
  2. Step 2: Convert to fraction form
    98,291.14/147,446.28 = 39,112.98/x
  3. Step 3: Cross multiply
    98,291.14x = 147,446.28 × 39,112.98
  4. Step 4: Simplify right side
    98,291.14x = 5,767,063,400.71
  5. Step 5: Solve for x
    x = 5,767,063,400.71/98,291.14
  6. Step 6: Final answer
    x = 58,673.28

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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.