Home / 245,876.08-339,341.96-143,932.72

Finding the Fourth Proportional to 245,876.08, 339,341.96 and 143,932.72

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Solution

The fourth proportional to 245,876.08, 339,341.96 and 143,932.72 is: 198,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,876.08 : 339,341.96 = 143,932.72 : x
  2. Step 2: Convert to fraction form
    245,876.08/339,341.96 = 143,932.72/x
  3. Step 3: Cross multiply
    245,876.08x = 339,341.96 × 143,932.72
  4. Step 4: Simplify right side
    245,876.08x = 48,842,411,312.93
  5. Step 5: Solve for x
    x = 48,842,411,312.93/245,876.08
  6. Step 6: Final answer
    x = 198,646.45

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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.