Home / 143,473.96-215,211.98-49,979.40

Finding the Fourth Proportional to 143,473.96, 215,211.98 and 49,979.40

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Solution

The fourth proportional to 143,473.96, 215,211.98 and 49,979.40 is: 74,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,473.96 : 215,211.98 = 49,979.40 : x
  2. Step 2: Convert to fraction form
    143,473.96/215,211.98 = 49,979.40/x
  3. Step 3: Cross multiply
    143,473.96x = 215,211.98 × 49,979.40
  4. Step 4: Simplify right side
    143,473.96x = 10,756,165,633.21
  5. Step 5: Solve for x
    x = 10,756,165,633.21/143,473.96
  6. Step 6: Final answer
    x = 74,969.46

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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.