Home / 119,169.59-178,754.16-30,423.07

Finding the Fourth Proportional to 119,169.59, 178,754.16 and 30,423.07

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Solution

The fourth proportional to 119,169.59, 178,754.16 and 30,423.07 is: 45,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,169.59 : 178,754.16 = 30,423.07 : x
  2. Step 2: Convert to fraction form
    119,169.59/178,754.16 = 30,423.07/x
  3. Step 3: Cross multiply
    119,169.59x = 178,754.16 × 30,423.07
  4. Step 4: Simplify right side
    119,169.59x = 5,438,249,428.70
  5. Step 5: Solve for x
    x = 5,438,249,428.70/119,169.59
  6. Step 6: Final answer
    x = 45,634.54

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1.5x scale

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.