Home / 178,055.01-266,746.91-138,419.55

Finding the Fourth Proportional to 178,055.01, 266,746.91 and 138,419.55

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Solution

The fourth proportional to 178,055.01, 266,746.91 and 138,419.55 is: 207,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,055.01 : 266,746.91 = 138,419.55 : x
  2. Step 2: Convert to fraction form
    178,055.01/266,746.91 = 138,419.55/x
  3. Step 3: Cross multiply
    178,055.01x = 266,746.91 × 138,419.55
  4. Step 4: Simplify right side
    178,055.01x = 36,922,986,553.99
  5. Step 5: Solve for x
    x = 36,922,986,553.99/178,055.01
  6. Step 6: Final answer
    x = 207,368.42

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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.