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Finding the Fourth Proportional to 181,048.96, 249,840.16 and 100,479.84

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Solution

The fourth proportional to 181,048.96, 249,840.16 and 100,479.84 is: 138,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,048.96 : 249,840.16 = 100,479.84 : x
  2. Step 2: Convert to fraction form
    181,048.96/249,840.16 = 100,479.84/x
  3. Step 3: Cross multiply
    181,048.96x = 249,840.16 × 100,479.84
  4. Step 4: Simplify right side
    181,048.96x = 25,103,899,302.37
  5. Step 5: Solve for x
    x = 25,103,899,302.37/181,048.96
  6. Step 6: Final answer
    x = 138,658.07

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1.5x scale

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.