Home / 207,341.02-310,996.94-80,957.52

Finding the Fourth Proportional to 207,341.02, 310,996.94 and 80,957.52

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Solution

The fourth proportional to 207,341.02, 310,996.94 and 80,957.52 is: 121,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,341.02 : 310,996.94 = 80,957.52 : x
  2. Step 2: Convert to fraction form
    207,341.02/310,996.94 = 80,957.52/x
  3. Step 3: Cross multiply
    207,341.02x = 310,996.94 × 80,957.52
  4. Step 4: Simplify right side
    207,341.02x = 25,177,540,989.99
  5. Step 5: Solve for x
    x = 25,177,540,989.99/207,341.02
  6. Step 6: Final answer
    x = 121,430.58

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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.