Home / 150,824.07-208,114.02-87,149.57

Finding the Fourth Proportional to 150,824.07, 208,114.02 and 87,149.57

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Solution

The fourth proportional to 150,824.07, 208,114.02 and 87,149.57 is: 120,253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,824.07 : 208,114.02 = 87,149.57 : x
  2. Step 2: Convert to fraction form
    150,824.07/208,114.02 = 87,149.57/x
  3. Step 3: Cross multiply
    150,824.07x = 208,114.02 × 87,149.57
  4. Step 4: Simplify right side
    150,824.07x = 18,137,046,313.40
  5. Step 5: Solve for x
    x = 18,137,046,313.40/150,824.07
  6. Step 6: Final answer
    x = 120,253.00

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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.