Home / 252,178.65-348,001.79-137,458.35

Finding the Fourth Proportional to 252,178.65, 348,001.79 and 137,458.35

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Solution

The fourth proportional to 252,178.65, 348,001.79 and 137,458.35 is: 189,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,178.65 : 348,001.79 = 137,458.35 : x
  2. Step 2: Convert to fraction form
    252,178.65/348,001.79 = 137,458.35/x
  3. Step 3: Cross multiply
    252,178.65x = 348,001.79 × 137,458.35
  4. Step 4: Simplify right side
    252,178.65x = 47,835,751,163.15
  5. Step 5: Solve for x
    x = 47,835,751,163.15/252,178.65
  6. Step 6: Final answer
    x = 189,689.93

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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.