Home / 119,064.27-178,646.38-74,123.21

Finding the Fourth Proportional to 119,064.27, 178,646.38 and 74,123.21

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Solution

The fourth proportional to 119,064.27, 178,646.38 and 74,123.21 is: 111,215.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,064.27 : 178,646.38 = 74,123.21 : x
  2. Step 2: Convert to fraction form
    119,064.27/178,646.38 = 74,123.21/x
  3. Step 3: Cross multiply
    119,064.27x = 178,646.38 × 74,123.21
  4. Step 4: Simplify right side
    119,064.27x = 13,241,843,140.48
  5. Step 5: Solve for x
    x = 13,241,843,140.48/119,064.27
  6. Step 6: Final answer
    x = 111,215.93

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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.