Home / 154,332.95-231,439.73-53,111.84

Finding the Fourth Proportional to 154,332.95, 231,439.73 and 53,111.84

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Solution

The fourth proportional to 154,332.95, 231,439.73 and 53,111.84 is: 79,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,332.95 : 231,439.73 = 53,111.84 : x
  2. Step 2: Convert to fraction form
    154,332.95/231,439.73 = 53,111.84/x
  3. Step 3: Cross multiply
    154,332.95x = 231,439.73 × 53,111.84
  4. Step 4: Simplify right side
    154,332.95x = 12,292,188,486.65
  5. Step 5: Solve for x
    x = 12,292,188,486.65/154,332.95
  6. Step 6: Final answer
    x = 79,647.21

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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.