Home / 238,176.76-328,710.08-136,211.72

Finding the Fourth Proportional to 238,176.76, 328,710.08 and 136,211.72

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Solution

The fourth proportional to 238,176.76, 328,710.08 and 136,211.72 is: 187,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,176.76 : 328,710.08 = 136,211.72 : x
  2. Step 2: Convert to fraction form
    238,176.76/328,710.08 = 136,211.72/x
  3. Step 3: Cross multiply
    238,176.76x = 328,710.08 × 136,211.72
  4. Step 4: Simplify right side
    238,176.76x = 44,774,165,378.14
  5. Step 5: Solve for x
    x = 44,774,165,378.14/238,176.76
  6. Step 6: Final answer
    x = 187,987.13

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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.