Home / 104,102.10-156,129.75-47,888.24

Finding the Fourth Proportional to 104,102.10, 156,129.75 and 47,888.24

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Solution

The fourth proportional to 104,102.10, 156,129.75 and 47,888.24 is: 71,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,102.10 : 156,129.75 = 47,888.24 : x
  2. Step 2: Convert to fraction form
    104,102.10/156,129.75 = 47,888.24/x
  3. Step 3: Cross multiply
    104,102.10x = 156,129.75 × 47,888.24
  4. Step 4: Simplify right side
    104,102.10x = 7,476,778,158.49
  5. Step 5: Solve for x
    x = 7,476,778,158.49/104,102.10
  6. Step 6: Final answer
    x = 71,821.59

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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.