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Finding the Fourth Proportional to 180,726.48, 249,404 and 100,155.33

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Solution

The fourth proportional to 180,726.48, 249,404 and 100,155.33 is: 138,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,726.48 : 249,404 = 100,155.33 : x
  2. Step 2: Convert to fraction form
    180,726.48/249,404 = 100,155.33/x
  3. Step 3: Cross multiply
    180,726.48x = 249,404 × 100,155.33
  4. Step 4: Simplify right side
    180,726.48x = 24,979,139,923.32
  5. Step 5: Solve for x
    x = 24,979,139,923.32/180,726.48
  6. Step 6: Final answer
    x = 138,215.16

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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.