Home / 134,735.85-185,944-74,306.61

Finding the Fourth Proportional to 134,735.85, 185,944 and 74,306.61

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Solution

The fourth proportional to 134,735.85, 185,944 and 74,306.61 is: 102,547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,735.85 : 185,944 = 74,306.61 : x
  2. Step 2: Convert to fraction form
    134,735.85/185,944 = 74,306.61/x
  3. Step 3: Cross multiply
    134,735.85x = 185,944 × 74,306.61
  4. Step 4: Simplify right side
    134,735.85x = 13,816,868,289.84
  5. Step 5: Solve for x
    x = 13,816,868,289.84/134,735.85
  6. Step 6: Final answer
    x = 102,547.82

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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.