Home / 219,822.30-329,733.45-70,061.40

Finding the Fourth Proportional to 219,822.30, 329,733.45 and 70,061.40

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Solution

The fourth proportional to 219,822.30, 329,733.45 and 70,061.40 is: 105,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,822.30 : 329,733.45 = 70,061.40 : x
  2. Step 2: Convert to fraction form
    219,822.30/329,733.45 = 70,061.40/x
  3. Step 3: Cross multiply
    219,822.30x = 329,733.45 × 70,061.40
  4. Step 4: Simplify right side
    219,822.30x = 23,101,587,133.83
  5. Step 5: Solve for x
    x = 23,101,587,133.83/219,822.30
  6. Step 6: Final answer
    x = 105,092.10

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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.