Home / 180,782.88-249,454.18-100,210.38

Finding the Fourth Proportional to 180,782.88, 249,454.18 and 100,210.38

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Solution

The fourth proportional to 180,782.88, 249,454.18 and 100,210.38 is: 138,275.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,782.88 : 249,454.18 = 100,210.38 : x
  2. Step 2: Convert to fraction form
    180,782.88/249,454.18 = 100,210.38/x
  3. Step 3: Cross multiply
    180,782.88x = 249,454.18 × 100,210.38
  4. Step 4: Simplify right side
    180,782.88x = 24,997,898,170.39
  5. Step 5: Solve for x
    x = 24,997,898,170.39/180,782.88
  6. Step 6: Final answer
    x = 138,275.80

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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.