Home / 150,290.32-207,386.28-89,848.96

Finding the Fourth Proportional to 150,290.32, 207,386.28 and 89,848.96

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Solution

The fourth proportional to 150,290.32, 207,386.28 and 89,848.96 is: 123,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,290.32 : 207,386.28 = 89,848.96 : x
  2. Step 2: Convert to fraction form
    150,290.32/207,386.28 = 89,848.96/x
  3. Step 3: Cross multiply
    150,290.32x = 207,386.28 × 89,848.96
  4. Step 4: Simplify right side
    150,290.32x = 18,633,441,576.27
  5. Step 5: Solve for x
    x = 18,633,441,576.27/150,290.32
  6. Step 6: Final answer
    x = 123,982.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.