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Finding the Fourth Proportional to 94,221.60, 141,332.40 and 88,389.60

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Solution

The fourth proportional to 94,221.60, 141,332.40 and 88,389.60 is: 132,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,221.60 : 141,332.40 = 88,389.60 : x
  2. Step 2: Convert to fraction form
    94,221.60/141,332.40 = 88,389.60/x
  3. Step 3: Cross multiply
    94,221.60x = 141,332.40 × 88,389.60
  4. Step 4: Simplify right side
    94,221.60x = 12,492,314,303.04
  5. Step 5: Solve for x
    x = 12,492,314,303.04/94,221.60
  6. Step 6: Final answer
    x = 132,584.40

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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.