Home / 152,685.20-210,657.84-88,146.20

Finding the Fourth Proportional to 152,685.20, 210,657.84 and 88,146.20

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Solution

The fourth proportional to 152,685.20, 210,657.84 and 88,146.20 is: 121,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,685.20 : 210,657.84 = 88,146.20 : x
  2. Step 2: Convert to fraction form
    152,685.20/210,657.84 = 88,146.20/x
  3. Step 3: Cross multiply
    152,685.20x = 210,657.84 × 88,146.20
  4. Step 4: Simplify right side
    152,685.20x = 18,568,688,096.21
  5. Step 5: Solve for x
    x = 18,568,688,096.21/152,685.20
  6. Step 6: Final answer
    x = 121,614.20

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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.