Home / 78,544.19-117,834.62-22,385.00

Finding the Fourth Proportional to 78,544.19, 117,834.62 and 22,385.00

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Solution

The fourth proportional to 78,544.19, 117,834.62 and 22,385.00 is: 33,582.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,544.19 : 117,834.62 = 22,385.00 : x
  2. Step 2: Convert to fraction form
    78,544.19/117,834.62 = 22,385.00/x
  3. Step 3: Cross multiply
    78,544.19x = 117,834.62 × 22,385.00
  4. Step 4: Simplify right side
    78,544.19x = 2,637,727,267.60
  5. Step 5: Solve for x
    x = 2,637,727,267.60/78,544.19
  6. Step 6: Final answer
    x = 33,582.72

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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.