Home / 150,671.19-207,908.28-89,407.65

Finding the Fourth Proportional to 150,671.19, 207,908.28 and 89,407.65

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Solution

The fourth proportional to 150,671.19, 207,908.28 and 89,407.65 is: 123,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,671.19 : 207,908.28 = 89,407.65 : x
  2. Step 2: Convert to fraction form
    150,671.19/207,908.28 = 89,407.65/x
  3. Step 3: Cross multiply
    150,671.19x = 207,908.28 × 89,407.65
  4. Step 4: Simplify right side
    150,671.19x = 18,588,590,730.34
  5. Step 5: Solve for x
    x = 18,588,590,730.34/150,671.19
  6. Step 6: Final answer
    x = 123,371.90

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1.5x scale

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.