Home / 94,274.20-141,411.30-90,645.40

Finding the Fourth Proportional to 94,274.20, 141,411.30 and 90,645.40

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Solution

The fourth proportional to 94,274.20, 141,411.30 and 90,645.40 is: 135,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,274.20 : 141,411.30 = 90,645.40 : x
  2. Step 2: Convert to fraction form
    94,274.20/141,411.30 = 90,645.40/x
  3. Step 3: Cross multiply
    94,274.20x = 141,411.30 × 90,645.40
  4. Step 4: Simplify right side
    94,274.20x = 12,818,283,853.02
  5. Step 5: Solve for x
    x = 12,818,283,853.02/94,274.20
  6. Step 6: Final answer
    x = 135,968.10

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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.