Home / 180,679.27-249,345.38-100,106.77

Finding the Fourth Proportional to 180,679.27, 249,345.38 and 100,106.77

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Solution

The fourth proportional to 180,679.27, 249,345.38 and 100,106.77 is: 138,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,679.27 : 249,345.38 = 100,106.77 : x
  2. Step 2: Convert to fraction form
    180,679.27/249,345.38 = 100,106.77/x
  3. Step 3: Cross multiply
    180,679.27x = 249,345.38 × 100,106.77
  4. Step 4: Simplify right side
    180,679.27x = 24,961,160,606.22
  5. Step 5: Solve for x
    x = 24,961,160,606.22/180,679.27
  6. Step 6: Final answer
    x = 138,151.77

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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.