Home / 141,985.92-195,853.74-90,981.48

Finding the Fourth Proportional to 141,985.92, 195,853.74 and 90,981.48

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Solution

The fourth proportional to 141,985.92, 195,853.74 and 90,981.48 is: 125,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,985.92 : 195,853.74 = 90,981.48 : x
  2. Step 2: Convert to fraction form
    141,985.92/195,853.74 = 90,981.48/x
  3. Step 3: Cross multiply
    141,985.92x = 195,853.74 × 90,981.48
  4. Step 4: Simplify right side
    141,985.92x = 17,819,063,128.74
  5. Step 5: Solve for x
    x = 17,819,063,128.74/141,985.92
  6. Step 6: Final answer
    x = 125,498.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.