Home / 178,878.90-267,875.47-131,381.36

Finding the Fourth Proportional to 178,878.90, 267,875.47 and 131,381.36

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Solution

The fourth proportional to 178,878.90, 267,875.47 and 131,381.36 is: 196,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,878.90 : 267,875.47 = 131,381.36 : x
  2. Step 2: Convert to fraction form
    178,878.90/267,875.47 = 131,381.36/x
  3. Step 3: Cross multiply
    178,878.90x = 267,875.47 × 131,381.36
  4. Step 4: Simplify right side
    178,878.90x = 35,193,843,559.24
  5. Step 5: Solve for x
    x = 35,193,843,559.24/178,878.90
  6. Step 6: Final answer
    x = 196,746.76

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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.