Home / 150,399.19-207,531.09-89,947.77

Finding the Fourth Proportional to 150,399.19, 207,531.09 and 89,947.77

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Solution

The fourth proportional to 150,399.19, 207,531.09 and 89,947.77 is: 124,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,399.19 : 207,531.09 = 89,947.77 : x
  2. Step 2: Convert to fraction form
    150,399.19/207,531.09 = 89,947.77/x
  3. Step 3: Cross multiply
    150,399.19x = 207,531.09 × 89,947.77
  4. Step 4: Simplify right side
    150,399.19x = 18,666,958,751.17
  5. Step 5: Solve for x
    x = 18,666,958,751.17/150,399.19
  6. Step 6: Final answer
    x = 124,116.09

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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.