Home / 180,687.36-249,338.10-100,110.10

Finding the Fourth Proportional to 180,687.36, 249,338.10 and 100,110.10

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Solution

The fourth proportional to 180,687.36, 249,338.10 and 100,110.10 is: 138,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,687.36 : 249,338.10 = 100,110.10 : x
  2. Step 2: Convert to fraction form
    180,687.36/249,338.10 = 100,110.10/x
  3. Step 3: Cross multiply
    180,687.36x = 249,338.10 × 100,110.10
  4. Step 4: Simplify right side
    180,687.36x = 24,961,262,124.81
  5. Step 5: Solve for x
    x = 24,961,262,124.81/180,687.36
  6. Step 6: Final answer
    x = 138,146.14

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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.