Home / 181,868.20-272,802.30-57,247.40

Finding the Fourth Proportional to 181,868.20, 272,802.30 and 57,247.40

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Solution

The fourth proportional to 181,868.20, 272,802.30 and 57,247.40 is: 85,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,868.20 : 272,802.30 = 57,247.40 : x
  2. Step 2: Convert to fraction form
    181,868.20/272,802.30 = 57,247.40/x
  3. Step 3: Cross multiply
    181,868.20x = 272,802.30 × 57,247.40
  4. Step 4: Simplify right side
    181,868.20x = 15,617,222,389.02
  5. Step 5: Solve for x
    x = 15,617,222,389.02/181,868.20
  6. Step 6: Final answer
    x = 85,871.10

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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.