Home / 150,514.34-207,689.27-90,070.92

Finding the Fourth Proportional to 150,514.34, 207,689.27 and 90,070.92

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Solution

The fourth proportional to 150,514.34, 207,689.27 and 90,070.92 is: 124,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,514.34 : 207,689.27 = 90,070.92 : x
  2. Step 2: Convert to fraction form
    150,514.34/207,689.27 = 90,070.92/x
  3. Step 3: Cross multiply
    150,514.34x = 207,689.27 × 90,070.92
  4. Step 4: Simplify right side
    150,514.34x = 18,706,763,172.67
  5. Step 5: Solve for x
    x = 18,706,763,172.67/150,514.34
  6. Step 6: Final answer
    x = 124,285.59

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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.