Home / 261,525.04-391,943.24-103,667.44

Finding the Fourth Proportional to 261,525.04, 391,943.24 and 103,667.44

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Solution

The fourth proportional to 261,525.04, 391,943.24 and 103,667.44 is: 155,364.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,525.04 : 391,943.24 = 103,667.44 : x
  2. Step 2: Convert to fraction form
    261,525.04/391,943.24 = 103,667.44/x
  3. Step 3: Cross multiply
    261,525.04x = 391,943.24 × 103,667.44
  4. Step 4: Simplify right side
    261,525.04x = 40,631,752,316.11
  5. Step 5: Solve for x
    x = 40,631,752,316.11/261,525.04
  6. Step 6: Final answer
    x = 155,364.67

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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.