Home / 151,847.08-209,574.64-88,221.80

Finding the Fourth Proportional to 151,847.08, 209,574.64 and 88,221.80

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Solution

The fourth proportional to 151,847.08, 209,574.64 and 88,221.80 is: 121,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,847.08 : 209,574.64 = 88,221.80 : x
  2. Step 2: Convert to fraction form
    151,847.08/209,574.64 = 88,221.80/x
  3. Step 3: Cross multiply
    151,847.08x = 209,574.64 × 88,221.80
  4. Step 4: Simplify right side
    151,847.08x = 18,489,051,975.15
  5. Step 5: Solve for x
    x = 18,489,051,975.15/151,847.08
  6. Step 6: Final answer
    x = 121,761.00

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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.