Home / 180,726.67-249,403.43-100,155.56

Finding the Fourth Proportional to 180,726.67, 249,403.43 and 100,155.56

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Solution

The fourth proportional to 180,726.67, 249,403.43 and 100,155.56 is: 138,215.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,726.67 : 249,403.43 = 100,155.56 : x
  2. Step 2: Convert to fraction form
    180,726.67/249,403.43 = 100,155.56/x
  3. Step 3: Cross multiply
    180,726.67x = 249,403.43 × 100,155.56
  4. Step 4: Simplify right side
    180,726.67x = 24,979,140,197.57
  5. Step 5: Solve for x
    x = 24,979,140,197.57/180,726.67
  6. Step 6: Final answer
    x = 138,215.02

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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.