Home / 150,487.36-207,528.87-90,048.40

Finding the Fourth Proportional to 150,487.36, 207,528.87 and 90,048.40

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Solution

The fourth proportional to 150,487.36, 207,528.87 and 90,048.40 is: 124,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,487.36 : 207,528.87 = 90,048.40 : x
  2. Step 2: Convert to fraction form
    150,487.36/207,528.87 = 90,048.40/x
  3. Step 3: Cross multiply
    150,487.36x = 207,528.87 × 90,048.40
  4. Step 4: Simplify right side
    150,487.36x = 18,687,642,697.31
  5. Step 5: Solve for x
    x = 18,687,642,697.31/150,487.36
  6. Step 6: Final answer
    x = 124,180.81

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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.