Home / 245,844.18-368,909.66-103,680.69

Finding the Fourth Proportional to 245,844.18, 368,909.66 and 103,680.69

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Solution

The fourth proportional to 245,844.18, 368,909.66 and 103,680.69 is: 155,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,844.18 : 368,909.66 = 103,680.69 : x
  2. Step 2: Convert to fraction form
    245,844.18/368,909.66 = 103,680.69/x
  3. Step 3: Cross multiply
    245,844.18x = 368,909.66 × 103,680.69
  4. Step 4: Simplify right side
    245,844.18x = 38,248,807,578.06
  5. Step 5: Solve for x
    x = 38,248,807,578.06/245,844.18
  6. Step 6: Final answer
    x = 155,581.51

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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.