Home / 154,663.69-231,995.65-42,344.84

Finding the Fourth Proportional to 154,663.69, 231,995.65 and 42,344.84

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Solution

The fourth proportional to 154,663.69, 231,995.65 and 42,344.84 is: 63,517.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,663.69 : 231,995.65 = 42,344.84 : x
  2. Step 2: Convert to fraction form
    154,663.69/231,995.65 = 42,344.84/x
  3. Step 3: Cross multiply
    154,663.69x = 231,995.65 × 42,344.84
  4. Step 4: Simplify right side
    154,663.69x = 9,823,818,679.95
  5. Step 5: Solve for x
    x = 9,823,818,679.95/154,663.69
  6. Step 6: Final answer
    x = 63,517.29

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1.5x scale

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.