Home / 142,269.27-196,314.75-84,897.96

Finding the Fourth Proportional to 142,269.27, 196,314.75 and 84,897.96

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Solution

The fourth proportional to 142,269.27, 196,314.75 and 84,897.96 is: 117,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,269.27 : 196,314.75 = 84,897.96 : x
  2. Step 2: Convert to fraction form
    142,269.27/196,314.75 = 84,897.96/x
  3. Step 3: Cross multiply
    142,269.27x = 196,314.75 × 84,897.96
  4. Step 4: Simplify right side
    142,269.27x = 16,666,721,792.91
  5. Step 5: Solve for x
    x = 16,666,721,792.91/142,269.27
  6. Step 6: Final answer
    x = 117,149.13

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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.