Home / 147,852.20-204,035.85-79,869.15

Finding the Fourth Proportional to 147,852.20, 204,035.85 and 79,869.15

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Solution

The fourth proportional to 147,852.20, 204,035.85 and 79,869.15 is: 110,219.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,852.20 : 204,035.85 = 79,869.15 : x
  2. Step 2: Convert to fraction form
    147,852.20/204,035.85 = 79,869.15/x
  3. Step 3: Cross multiply
    147,852.20x = 204,035.85 × 79,869.15
  4. Step 4: Simplify right side
    147,852.20x = 16,296,169,909.03
  5. Step 5: Solve for x
    x = 16,296,169,909.03/147,852.20
  6. Step 6: Final answer
    x = 110,219.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.