Home / 103,422.07-142,722.98-58,101.97

Finding the Fourth Proportional to 103,422.07, 142,722.98 and 58,101.97

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Solution

The fourth proportional to 103,422.07, 142,722.98 and 58,101.97 is: 80,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,422.07 : 142,722.98 = 58,101.97 : x
  2. Step 2: Convert to fraction form
    103,422.07/142,722.98 = 58,101.97/x
  3. Step 3: Cross multiply
    103,422.07x = 142,722.98 × 58,101.97
  4. Step 4: Simplify right side
    103,422.07x = 8,292,486,302.27
  5. Step 5: Solve for x
    x = 8,292,486,302.27/103,422.07
  6. Step 6: Final answer
    x = 80,181.01

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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.