Home / 102,274.07-141,138.14-59,840.78

Finding the Fourth Proportional to 102,274.07, 141,138.14 and 59,840.78

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Solution

The fourth proportional to 102,274.07, 141,138.14 and 59,840.78 is: 82,580.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,274.07 : 141,138.14 = 59,840.78 : x
  2. Step 2: Convert to fraction form
    102,274.07/141,138.14 = 59,840.78/x
  3. Step 3: Cross multiply
    102,274.07x = 141,138.14 × 59,840.78
  4. Step 4: Simplify right side
    102,274.07x = 8,445,815,380.45
  5. Step 5: Solve for x
    x = 8,445,815,380.45/102,274.07
  6. Step 6: Final answer
    x = 82,580.23

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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.