Home / 168,210.60-252,116.10-89,284.20

Finding the Fourth Proportional to 168,210.60, 252,116.10 and 89,284.20

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Solution

The fourth proportional to 168,210.60, 252,116.10 and 89,284.20 is: 133,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,210.60 : 252,116.10 = 89,284.20 : x
  2. Step 2: Convert to fraction form
    168,210.60/252,116.10 = 89,284.20/x
  3. Step 3: Cross multiply
    168,210.60x = 252,116.10 × 89,284.20
  4. Step 4: Simplify right side
    168,210.60x = 22,509,984,295.62
  5. Step 5: Solve for x
    x = 22,509,984,295.62/168,210.60
  6. Step 6: Final answer
    x = 133,820.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.