Home / 102,746.15-154,131.67-36,172.65

Finding the Fourth Proportional to 102,746.15, 154,131.67 and 36,172.65

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Solution

The fourth proportional to 102,746.15, 154,131.67 and 36,172.65 is: 54,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,746.15 : 154,131.67 = 36,172.65 : x
  2. Step 2: Convert to fraction form
    102,746.15/154,131.67 = 36,172.65/x
  3. Step 3: Cross multiply
    102,746.15x = 154,131.67 × 36,172.65
  4. Step 4: Simplify right side
    102,746.15x = 5,575,350,952.83
  5. Step 5: Solve for x
    x = 5,575,350,952.83/102,746.15
  6. Step 6: Final answer
    x = 54,263.36

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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.