Home / 207,070.25-310,545.32-80,682.30

Finding the Fourth Proportional to 207,070.25, 310,545.32 and 80,682.30

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Solution

The fourth proportional to 207,070.25, 310,545.32 and 80,682.30 is: 121,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,070.25 : 310,545.32 = 80,682.30 : x
  2. Step 2: Convert to fraction form
    207,070.25/310,545.32 = 80,682.30/x
  3. Step 3: Cross multiply
    207,070.25x = 310,545.32 × 80,682.30
  4. Step 4: Simplify right side
    207,070.25x = 25,055,510,268.42
  5. Step 5: Solve for x
    x = 25,055,510,268.42/207,070.25
  6. Step 6: Final answer
    x = 121,000.05

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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.