Home / 141,267.78-194,715.36-137,528.28

Finding the Fourth Proportional to 141,267.78, 194,715.36 and 137,528.28

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Solution

The fourth proportional to 141,267.78, 194,715.36 and 137,528.28 is: 189,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,267.78 : 194,715.36 = 137,528.28 : x
  2. Step 2: Convert to fraction form
    141,267.78/194,715.36 = 137,528.28/x
  3. Step 3: Cross multiply
    141,267.78x = 194,715.36 × 137,528.28
  4. Step 4: Simplify right side
    141,267.78x = 26,778,868,550.38
  5. Step 5: Solve for x
    x = 26,778,868,550.38/141,267.78
  6. Step 6: Final answer
    x = 189,561.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.