Home / 149,341.29-223,976.55-42,721.96

Finding the Fourth Proportional to 149,341.29, 223,976.55 and 42,721.96

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Solution

The fourth proportional to 149,341.29, 223,976.55 and 42,721.96 is: 64,072.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,341.29 : 223,976.55 = 42,721.96 : x
  2. Step 2: Convert to fraction form
    149,341.29/223,976.55 = 42,721.96/x
  3. Step 3: Cross multiply
    149,341.29x = 223,976.55 × 42,721.96
  4. Step 4: Simplify right side
    149,341.29x = 9,568,717,210.04
  5. Step 5: Solve for x
    x = 9,568,717,210.04/149,341.29
  6. Step 6: Final answer
    x = 64,072.82

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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.