Home / 146,823.60-220,465.80-84,615.60

Finding the Fourth Proportional to 146,823.60, 220,465.80 and 84,615.60

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Solution

The fourth proportional to 146,823.60, 220,465.80 and 84,615.60 is: 127,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,823.60 : 220,465.80 = 84,615.60 : x
  2. Step 2: Convert to fraction form
    146,823.60/220,465.80 = 84,615.60/x
  3. Step 3: Cross multiply
    146,823.60x = 220,465.80 × 84,615.60
  4. Step 4: Simplify right side
    146,823.60x = 18,654,845,946.48
  5. Step 5: Solve for x
    x = 18,654,845,946.48/146,823.60
  6. Step 6: Final answer
    x = 127,056.18

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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.