Home / 119,167.60-178,751.33-30,421.07

Finding the Fourth Proportional to 119,167.60, 178,751.33 and 30,421.07

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Solution

The fourth proportional to 119,167.60, 178,751.33 and 30,421.07 is: 45,631.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,167.60 : 178,751.33 = 30,421.07 : x
  2. Step 2: Convert to fraction form
    119,167.60/178,751.33 = 30,421.07/x
  3. Step 3: Cross multiply
    119,167.60x = 178,751.33 × 30,421.07
  4. Step 4: Simplify right side
    119,167.60x = 5,437,806,967.33
  5. Step 5: Solve for x
    x = 5,437,806,967.33/119,167.60
  6. Step 6: Final answer
    x = 45,631.59

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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.