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Finding the Fourth Proportional to 201,339.60, 302,182.20 and 89,192.40

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Solution

The fourth proportional to 201,339.60, 302,182.20 and 89,192.40 is: 133,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,339.60 : 302,182.20 = 89,192.40 : x
  2. Step 2: Convert to fraction form
    201,339.60/302,182.20 = 89,192.40/x
  3. Step 3: Cross multiply
    201,339.60x = 302,182.20 × 89,192.40
  4. Step 4: Simplify right side
    201,339.60x = 26,952,355,655.28
  5. Step 5: Solve for x
    x = 26,952,355,655.28/201,339.60
  6. Step 6: Final answer
    x = 133,865.15

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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.