Home / 181,358.47-250,269.69-100,783.95

Finding the Fourth Proportional to 181,358.47, 250,269.69 and 100,783.95

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Solution

The fourth proportional to 181,358.47, 250,269.69 and 100,783.95 is: 139,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,358.47 : 250,269.69 = 100,783.95 : x
  2. Step 2: Convert to fraction form
    181,358.47/250,269.69 = 100,783.95/x
  3. Step 3: Cross multiply
    181,358.47x = 250,269.69 × 100,783.95
  4. Step 4: Simplify right side
    181,358.47x = 25,223,167,923.48
  5. Step 5: Solve for x
    x = 25,223,167,923.48/181,358.47
  6. Step 6: Final answer
    x = 139,079.07

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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.