Home / 152,761.20-210,762.76-88,222.16

Finding the Fourth Proportional to 152,761.20, 210,762.76 and 88,222.16

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Solution

The fourth proportional to 152,761.20, 210,762.76 and 88,222.16 is: 121,719.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,761.20 : 210,762.76 = 88,222.16 : x
  2. Step 2: Convert to fraction form
    152,761.20/210,762.76 = 88,222.16/x
  3. Step 3: Cross multiply
    152,761.20x = 210,762.76 × 88,222.16
  4. Step 4: Simplify right side
    152,761.20x = 18,593,945,934.76
  5. Step 5: Solve for x
    x = 18,593,945,934.76/152,761.20
  6. Step 6: Final answer
    x = 121,719.04

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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.