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Finding the Fourth Proportional to 146,802.60, 220,106.70 and 53,296.20

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Solution

The fourth proportional to 146,802.60, 220,106.70 and 53,296.20 is: 79,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,802.60 : 220,106.70 = 53,296.20 : x
  2. Step 2: Convert to fraction form
    146,802.60/220,106.70 = 53,296.20/x
  3. Step 3: Cross multiply
    146,802.60x = 220,106.70 × 53,296.20
  4. Step 4: Simplify right side
    146,802.60x = 11,730,850,704.54
  5. Step 5: Solve for x
    x = 11,730,850,704.54/146,802.60
  6. Step 6: Final answer
    x = 79,909.01

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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.