Home / 151,937.32-209,622.16-88,222.72

Finding the Fourth Proportional to 151,937.32, 209,622.16 and 88,222.72

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Solution

The fourth proportional to 151,937.32, 209,622.16 and 88,222.72 is: 121,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,937.32 : 209,622.16 = 88,222.72 : x
  2. Step 2: Convert to fraction form
    151,937.32/209,622.16 = 88,222.72/x
  3. Step 3: Cross multiply
    151,937.32x = 209,622.16 × 88,222.72
  4. Step 4: Simplify right side
    151,937.32x = 18,493,437,127.48
  5. Step 5: Solve for x
    x = 18,493,437,127.48/151,937.32
  6. Step 6: Final answer
    x = 121,717.54

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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.