Home / 155,187.18-232,794.18-42,867.36

Finding the Fourth Proportional to 155,187.18, 232,794.18 and 42,867.36

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Solution

The fourth proportional to 155,187.18, 232,794.18 and 42,867.36 is: 64,304.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,187.18 : 232,794.18 = 42,867.36 : x
  2. Step 2: Convert to fraction form
    155,187.18/232,794.18 = 42,867.36/x
  3. Step 3: Cross multiply
    155,187.18x = 232,794.18 × 42,867.36
  4. Step 4: Simplify right side
    155,187.18x = 9,979,271,919.96
  5. Step 5: Solve for x
    x = 9,979,271,919.96/155,187.18
  6. Step 6: Final answer
    x = 64,304.74

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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.