Home / 143,646.68-215,508.90-50,159.72

Finding the Fourth Proportional to 143,646.68, 215,508.90 and 50,159.72

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Solution

The fourth proportional to 143,646.68, 215,508.90 and 50,159.72 is: 75,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,646.68 : 215,508.90 = 50,159.72 : x
  2. Step 2: Convert to fraction form
    143,646.68/215,508.90 = 50,159.72/x
  3. Step 3: Cross multiply
    143,646.68x = 215,508.90 × 50,159.72
  4. Step 4: Simplify right side
    143,646.68x = 10,809,866,081.51
  5. Step 5: Solve for x
    x = 10,809,866,081.51/143,646.68
  6. Step 6: Final answer
    x = 75,253.16

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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.