Home / 180,822.98-249,550.49-100,275.77

Finding the Fourth Proportional to 180,822.98, 249,550.49 and 100,275.77

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Solution

The fourth proportional to 180,822.98, 249,550.49 and 100,275.77 is: 138,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,822.98 : 249,550.49 = 100,275.77 : x
  2. Step 2: Convert to fraction form
    180,822.98/249,550.49 = 100,275.77/x
  3. Step 3: Cross multiply
    180,822.98x = 249,550.49 × 100,275.77
  4. Step 4: Simplify right side
    180,822.98x = 25,023,866,541.56
  5. Step 5: Solve for x
    x = 25,023,866,541.56/180,822.98
  6. Step 6: Final answer
    x = 138,388.76

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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.