Home / 147,756.25-221,665.51-47,908.66

Finding the Fourth Proportional to 147,756.25, 221,665.51 and 47,908.66

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Solution

The fourth proportional to 147,756.25, 221,665.51 and 47,908.66 is: 71,873.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,756.25 : 221,665.51 = 47,908.66 : x
  2. Step 2: Convert to fraction form
    147,756.25/221,665.51 = 47,908.66/x
  3. Step 3: Cross multiply
    147,756.25x = 221,665.51 × 47,908.66
  4. Step 4: Simplify right side
    147,756.25x = 10,619,696,443.99
  5. Step 5: Solve for x
    x = 10,619,696,443.99/147,756.25
  6. Step 6: Final answer
    x = 71,873.08

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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.