Home / 146,721.47-219,933.27-83,410.74

Finding the Fourth Proportional to 146,721.47, 219,933.27 and 83,410.74

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Solution

The fourth proportional to 146,721.47, 219,933.27 and 83,410.74 is: 125,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,721.47 : 219,933.27 = 83,410.74 : x
  2. Step 2: Convert to fraction form
    146,721.47/219,933.27 = 83,410.74/x
  3. Step 3: Cross multiply
    146,721.47x = 219,933.27 × 83,410.74
  4. Step 4: Simplify right side
    146,721.47x = 18,344,796,801.32
  5. Step 5: Solve for x
    x = 18,344,796,801.32/146,721.47
  6. Step 6: Final answer
    x = 125,031.45

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1.5x scale

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.