Home / 153,629.50-230,444.39-42,821.50

Finding the Fourth Proportional to 153,629.50, 230,444.39 and 42,821.50

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Solution

The fourth proportional to 153,629.50, 230,444.39 and 42,821.50 is: 64,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,629.50 : 230,444.39 = 42,821.50 : x
  2. Step 2: Convert to fraction form
    153,629.50/230,444.39 = 42,821.50/x
  3. Step 3: Cross multiply
    153,629.50x = 230,444.39 × 42,821.50
  4. Step 4: Simplify right side
    153,629.50x = 9,867,974,446.39
  5. Step 5: Solve for x
    x = 9,867,974,446.39/153,629.50
  6. Step 6: Final answer
    x = 64,232.29

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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.