Home / 269,178.85-403,779.08-100,681.93

Finding the Fourth Proportional to 269,178.85, 403,779.08 and 100,681.93

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Solution

The fourth proportional to 269,178.85, 403,779.08 and 100,681.93 is: 151,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,178.85 : 403,779.08 = 100,681.93 : x
  2. Step 2: Convert to fraction form
    269,178.85/403,779.08 = 100,681.93/x
  3. Step 3: Cross multiply
    269,178.85x = 403,779.08 × 100,681.93
  4. Step 4: Simplify right side
    269,178.85x = 40,653,257,068.02
  5. Step 5: Solve for x
    x = 40,653,257,068.02/269,178.85
  6. Step 6: Final answer
    x = 151,026.94

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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.