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Finding the Fourth Proportional to 133,340.60, 200,010.90 and 112,345.40

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Solution

The fourth proportional to 133,340.60, 200,010.90 and 112,345.40 is: 168,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,340.60 : 200,010.90 = 112,345.40 : x
  2. Step 2: Convert to fraction form
    133,340.60/200,010.90 = 112,345.40/x
  3. Step 3: Cross multiply
    133,340.60x = 200,010.90 × 112,345.40
  4. Step 4: Simplify right side
    133,340.60x = 22,470,304,564.86
  5. Step 5: Solve for x
    x = 22,470,304,564.86/133,340.60
  6. Step 6: Final answer
    x = 168,518.10

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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.