Home / 147,400.64-221,046.56-52,605.46

Finding the Fourth Proportional to 147,400.64, 221,046.56 and 52,605.46

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Solution

The fourth proportional to 147,400.64, 221,046.56 and 52,605.46 is: 78,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,400.64 : 221,046.56 = 52,605.46 : x
  2. Step 2: Convert to fraction form
    147,400.64/221,046.56 = 52,605.46/x
  3. Step 3: Cross multiply
    147,400.64x = 221,046.56 × 52,605.46
  4. Step 4: Simplify right side
    147,400.64x = 11,628,255,970.22
  5. Step 5: Solve for x
    x = 11,628,255,970.22/147,400.64
  6. Step 6: Final answer
    x = 78,888.78

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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.