Home / 178,269.03-266,886.54-138,706.20

Finding the Fourth Proportional to 178,269.03, 266,886.54 and 138,706.20

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Solution

The fourth proportional to 178,269.03, 266,886.54 and 138,706.20 is: 207,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,269.03 : 266,886.54 = 138,706.20 : x
  2. Step 2: Convert to fraction form
    178,269.03/266,886.54 = 138,706.20/x
  3. Step 3: Cross multiply
    178,269.03x = 266,886.54 × 138,706.20
  4. Step 4: Simplify right side
    178,269.03x = 37,018,817,794.55
  5. Step 5: Solve for x
    x = 37,018,817,794.55/178,269.03
  6. Step 6: Final answer
    x = 207,657.03

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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.