Home / 104,239.34-156,381.08-40,199.12

Finding the Fourth Proportional to 104,239.34, 156,381.08 and 40,199.12

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Solution

The fourth proportional to 104,239.34, 156,381.08 and 40,199.12 is: 60,307.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,239.34 : 156,381.08 = 40,199.12 : x
  2. Step 2: Convert to fraction form
    104,239.34/156,381.08 = 40,199.12/x
  3. Step 3: Cross multiply
    104,239.34x = 156,381.08 × 40,199.12
  4. Step 4: Simplify right side
    104,239.34x = 6,286,381,800.65
  5. Step 5: Solve for x
    x = 6,286,381,800.65/104,239.34
  6. Step 6: Final answer
    x = 60,307.19

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1.5x scale

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.