Home / 94,441.20-141,661.80-90,812.40

Finding the Fourth Proportional to 94,441.20, 141,661.80 and 90,812.40

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Solution

The fourth proportional to 94,441.20, 141,661.80 and 90,812.40 is: 136,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,441.20 : 141,661.80 = 90,812.40 : x
  2. Step 2: Convert to fraction form
    94,441.20/141,661.80 = 90,812.40/x
  3. Step 3: Cross multiply
    94,441.20x = 141,661.80 × 90,812.40
  4. Step 4: Simplify right side
    94,441.20x = 12,864,648,046.32
  5. Step 5: Solve for x
    x = 12,864,648,046.32/94,441.20
  6. Step 6: Final answer
    x = 136,218.60

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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.