Home / 154,473.50-231,703.30-42,153.33

Finding the Fourth Proportional to 154,473.50, 231,703.30 and 42,153.33

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Solution

The fourth proportional to 154,473.50, 231,703.30 and 42,153.33 is: 63,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,473.50 : 231,703.30 = 42,153.33 : x
  2. Step 2: Convert to fraction form
    154,473.50/231,703.30 = 42,153.33/x
  3. Step 3: Cross multiply
    154,473.50x = 231,703.30 × 42,153.33
  4. Step 4: Simplify right side
    154,473.50x = 9,767,065,456.22
  5. Step 5: Solve for x
    x = 9,767,065,456.22/154,473.50
  6. Step 6: Final answer
    x = 63,228.10

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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.