Home / 109,230.80-163,518.15-64,834.70

Finding the Fourth Proportional to 109,230.80, 163,518.15 and 64,834.70

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Solution

The fourth proportional to 109,230.80, 163,518.15 and 64,834.70 is: 97,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,230.80 : 163,518.15 = 64,834.70 : x
  2. Step 2: Convert to fraction form
    109,230.80/163,518.15 = 64,834.70/x
  3. Step 3: Cross multiply
    109,230.80x = 163,518.15 × 64,834.70
  4. Step 4: Simplify right side
    109,230.80x = 10,601,650,199.81
  5. Step 5: Solve for x
    x = 10,601,650,199.81/109,230.80
  6. Step 6: Final answer
    x = 97,057.33

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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.