Home / 154,114.16-231,238.02-54,345.64

Finding the Fourth Proportional to 154,114.16, 231,238.02 and 54,345.64

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Solution

The fourth proportional to 154,114.16, 231,238.02 and 54,345.64 is: 81,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,114.16 : 231,238.02 = 54,345.64 : x
  2. Step 2: Convert to fraction form
    154,114.16/231,238.02 = 54,345.64/x
  3. Step 3: Cross multiply
    154,114.16x = 231,238.02 × 54,345.64
  4. Step 4: Simplify right side
    154,114.16x = 12,566,778,189.23
  5. Step 5: Solve for x
    x = 12,566,778,189.23/154,114.16
  6. Step 6: Final answer
    x = 81,542.01

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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.