Home / 153,943.52-230,981.79-82,782.98

Finding the Fourth Proportional to 153,943.52, 230,981.79 and 82,782.98

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Solution

The fourth proportional to 153,943.52, 230,981.79 and 82,782.98 is: 124,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,943.52 : 230,981.79 = 82,782.98 : x
  2. Step 2: Convert to fraction form
    153,943.52/230,981.79 = 82,782.98/x
  3. Step 3: Cross multiply
    153,943.52x = 230,981.79 × 82,782.98
  4. Step 4: Simplify right side
    153,943.52x = 19,121,359,747.03
  5. Step 5: Solve for x
    x = 19,121,359,747.03/153,943.52
  6. Step 6: Final answer
    x = 124,210.23

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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.