Home / 178,320.74-267,478.40-43,386.08

Finding the Fourth Proportional to 178,320.74, 267,478.40 and 43,386.08

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Solution

The fourth proportional to 178,320.74, 267,478.40 and 43,386.08 is: 65,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,320.74 : 267,478.40 = 43,386.08 : x
  2. Step 2: Convert to fraction form
    178,320.74/267,478.40 = 43,386.08/x
  3. Step 3: Cross multiply
    178,320.74x = 267,478.40 × 43,386.08
  4. Step 4: Simplify right side
    178,320.74x = 11,604,837,706.35
  5. Step 5: Solve for x
    x = 11,604,837,706.35/178,320.74
  6. Step 6: Final answer
    x = 65,078.45

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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.