Home / 181,470.02-272,205.46-55,111.22

Finding the Fourth Proportional to 181,470.02, 272,205.46 and 55,111.22

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Solution

The fourth proportional to 181,470.02, 272,205.46 and 55,111.22 is: 82,666.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,470.02 : 272,205.46 = 55,111.22 : x
  2. Step 2: Convert to fraction form
    181,470.02/272,205.46 = 55,111.22/x
  3. Step 3: Cross multiply
    181,470.02x = 272,205.46 × 55,111.22
  4. Step 4: Simplify right side
    181,470.02x = 15,001,574,991.26
  5. Step 5: Solve for x
    x = 15,001,574,991.26/181,470.02
  6. Step 6: Final answer
    x = 82,666.96

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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.