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Finding the Fourth Proportional to 141,356.10, 212,042.10 and 45,301.68

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Solution

The fourth proportional to 141,356.10, 212,042.10 and 45,301.68 is: 67,955.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,356.10 : 212,042.10 = 45,301.68 : x
  2. Step 2: Convert to fraction form
    141,356.10/212,042.10 = 45,301.68/x
  3. Step 3: Cross multiply
    141,356.10x = 212,042.10 × 45,301.68
  4. Step 4: Simplify right side
    141,356.10x = 9,605,863,530.61
  5. Step 5: Solve for x
    x = 9,605,863,530.61/141,356.10
  6. Step 6: Final answer
    x = 67,955.07

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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.