Home / 146,710.24-202,472.40-90,141.28

Finding the Fourth Proportional to 146,710.24, 202,472.40 and 90,141.28

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Solution

The fourth proportional to 146,710.24, 202,472.40 and 90,141.28 is: 124,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,710.24 : 202,472.40 = 90,141.28 : x
  2. Step 2: Convert to fraction form
    146,710.24/202,472.40 = 90,141.28/x
  3. Step 3: Cross multiply
    146,710.24x = 202,472.40 × 90,141.28
  4. Step 4: Simplify right side
    146,710.24x = 18,251,121,300.67
  5. Step 5: Solve for x
    x = 18,251,121,300.67/146,710.24
  6. Step 6: Final answer
    x = 124,402.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.