Home / 181,880.40-272,820.60-57,205.20

Finding the Fourth Proportional to 181,880.40, 272,820.60 and 57,205.20

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Solution

The fourth proportional to 181,880.40, 272,820.60 and 57,205.20 is: 85,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,880.40 : 272,820.60 = 57,205.20 : x
  2. Step 2: Convert to fraction form
    181,880.40/272,820.60 = 57,205.20/x
  3. Step 3: Cross multiply
    181,880.40x = 272,820.60 × 57,205.20
  4. Step 4: Simplify right side
    181,880.40x = 15,606,756,987.12
  5. Step 5: Solve for x
    x = 15,606,756,987.12/181,880.40
  6. Step 6: Final answer
    x = 85,807.80

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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.