Home / 98,422.29-147,561.91-39,240.21

Finding the Fourth Proportional to 98,422.29, 147,561.91 and 39,240.21

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Solution

The fourth proportional to 98,422.29, 147,561.91 and 39,240.21 is: 58,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,422.29 : 147,561.91 = 39,240.21 : x
  2. Step 2: Convert to fraction form
    98,422.29/147,561.91 = 39,240.21/x
  3. Step 3: Cross multiply
    98,422.29x = 147,561.91 × 39,240.21
  4. Step 4: Simplify right side
    98,422.29x = 5,790,360,336.40
  5. Step 5: Solve for x
    x = 5,790,360,336.40/98,422.29
  6. Step 6: Final answer
    x = 58,831.80

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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.