Home / 104,102.60-156,130.50-47,888.74

Finding the Fourth Proportional to 104,102.60, 156,130.50 and 47,888.74

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Solution

The fourth proportional to 104,102.60, 156,130.50 and 47,888.74 is: 71,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,102.60 : 156,130.50 = 47,888.74 : x
  2. Step 2: Convert to fraction form
    104,102.60/156,130.50 = 47,888.74/x
  3. Step 3: Cross multiply
    104,102.60x = 156,130.50 × 47,888.74
  4. Step 4: Simplify right side
    104,102.60x = 7,476,892,139.92
  5. Step 5: Solve for x
    x = 7,476,892,139.92/104,102.60
  6. Step 6: Final answer
    x = 71,822.34

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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.