Home / 187,389.90-281,214.45-134,837.10

Finding the Fourth Proportional to 187,389.90, 281,214.45 and 134,837.10

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Solution

The fourth proportional to 187,389.90, 281,214.45 and 134,837.10 is: 202,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,389.90 : 281,214.45 = 134,837.10 : x
  2. Step 2: Convert to fraction form
    187,389.90/281,214.45 = 134,837.10/x
  3. Step 3: Cross multiply
    187,389.90x = 281,214.45 × 134,837.10
  4. Step 4: Simplify right side
    187,389.90x = 37,918,140,916.10
  5. Step 5: Solve for x
    x = 37,918,140,916.10/187,389.90
  6. Step 6: Final answer
    x = 202,348.90

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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.