Home / 180,933.52-249,692.25-100,358.41

Finding the Fourth Proportional to 180,933.52, 249,692.25 and 100,358.41

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Solution

The fourth proportional to 180,933.52, 249,692.25 and 100,358.41 is: 138,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,933.52 : 249,692.25 = 100,358.41 : x
  2. Step 2: Convert to fraction form
    180,933.52/249,692.25 = 100,358.41/x
  3. Step 3: Cross multiply
    180,933.52x = 249,692.25 × 100,358.41
  4. Step 4: Simplify right side
    180,933.52x = 25,058,717,199.32
  5. Step 5: Solve for x
    x = 25,058,717,199.32/180,933.52
  6. Step 6: Final answer
    x = 138,496.82

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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.