Home / 243,141.08-335,566.40-135,733.46

Finding the Fourth Proportional to 243,141.08, 335,566.40 and 135,733.46

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Solution

The fourth proportional to 243,141.08, 335,566.40 and 135,733.46 is: 187,329.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,141.08 : 335,566.40 = 135,733.46 : x
  2. Step 2: Convert to fraction form
    243,141.08/335,566.40 = 135,733.46/x
  3. Step 3: Cross multiply
    243,141.08x = 335,566.40 × 135,733.46
  4. Step 4: Simplify right side
    243,141.08x = 45,547,586,175.24
  5. Step 5: Solve for x
    x = 45,547,586,175.24/243,141.08
  6. Step 6: Final answer
    x = 187,329.87

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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.