Home / 143,454.24-197,951.04-83,013.12

Finding the Fourth Proportional to 143,454.24, 197,951.04 and 83,013.12

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Solution

The fourth proportional to 143,454.24, 197,951.04 and 83,013.12 is: 114,548.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,454.24 : 197,951.04 = 83,013.12 : x
  2. Step 2: Convert to fraction form
    143,454.24/197,951.04 = 83,013.12/x
  3. Step 3: Cross multiply
    143,454.24x = 197,951.04 × 83,013.12
  4. Step 4: Simplify right side
    143,454.24x = 16,432,533,437.64
  5. Step 5: Solve for x
    x = 16,432,533,437.64/143,454.24
  6. Step 6: Final answer
    x = 114,548.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.