Home / 154,541.61-231,774.96-42,222.36

Finding the Fourth Proportional to 154,541.61, 231,774.96 and 42,222.36

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Solution

The fourth proportional to 154,541.61, 231,774.96 and 42,222.36 is: 63,323.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,541.61 : 231,774.96 = 42,222.36 : x
  2. Step 2: Convert to fraction form
    154,541.61/231,774.96 = 42,222.36/x
  3. Step 3: Cross multiply
    154,541.61x = 231,774.96 × 42,222.36
  4. Step 4: Simplify right side
    154,541.61x = 9,786,085,800.11
  5. Step 5: Solve for x
    x = 9,786,085,800.11/154,541.61
  6. Step 6: Final answer
    x = 63,323.31

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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.