Home / 208,926.18-313,386.12-51,154.65

Finding the Fourth Proportional to 208,926.18, 313,386.12 and 51,154.65

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Solution

The fourth proportional to 208,926.18, 313,386.12 and 51,154.65 is: 76,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,926.18 : 313,386.12 = 51,154.65 : x
  2. Step 2: Convert to fraction form
    208,926.18/313,386.12 = 51,154.65/x
  3. Step 3: Cross multiply
    208,926.18x = 313,386.12 × 51,154.65
  4. Step 4: Simplify right side
    208,926.18x = 16,031,157,283.46
  5. Step 5: Solve for x
    x = 16,031,157,283.46/208,926.18
  6. Step 6: Final answer
    x = 76,731.20

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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.