Home / 150,406.98-207,554.50-90,010.85

Finding the Fourth Proportional to 150,406.98, 207,554.50 and 90,010.85

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Solution

The fourth proportional to 150,406.98, 207,554.50 and 90,010.85 is: 124,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,406.98 : 207,554.50 = 90,010.85 : x
  2. Step 2: Convert to fraction form
    150,406.98/207,554.50 = 90,010.85/x
  3. Step 3: Cross multiply
    150,406.98x = 207,554.50 × 90,010.85
  4. Step 4: Simplify right side
    150,406.98x = 18,682,156,041.07
  5. Step 5: Solve for x
    x = 18,682,156,041.07/150,406.98
  6. Step 6: Final answer
    x = 124,210.70

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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.