Home / 238,054.14-328,536-130,645.10

Finding the Fourth Proportional to 238,054.14, 328,536 and 130,645.10

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Solution

The fourth proportional to 238,054.14, 328,536 and 130,645.10 is: 180,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,054.14 : 328,536 = 130,645.10 : x
  2. Step 2: Convert to fraction form
    238,054.14/328,536 = 130,645.10/x
  3. Step 3: Cross multiply
    238,054.14x = 328,536 × 130,645.10
  4. Step 4: Simplify right side
    238,054.14x = 42,921,619,394.94
  5. Step 5: Solve for x
    x = 42,921,619,394.94/238,054.14
  6. Step 6: Final answer
    x = 180,301.92

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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.