Home / 143,794.08-215,692.50-38,613.06

Finding the Fourth Proportional to 143,794.08, 215,692.50 and 38,613.06

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Solution

The fourth proportional to 143,794.08, 215,692.50 and 38,613.06 is: 57,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,794.08 : 215,692.50 = 38,613.06 : x
  2. Step 2: Convert to fraction form
    143,794.08/215,692.50 = 38,613.06/x
  3. Step 3: Cross multiply
    143,794.08x = 215,692.50 × 38,613.06
  4. Step 4: Simplify right side
    143,794.08x = 8,328,547,444.05
  5. Step 5: Solve for x
    x = 8,328,547,444.05/143,794.08
  6. Step 6: Final answer
    x = 57,919.96

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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.