Home / 180,742.08-249,424.64-100,170.96

Finding the Fourth Proportional to 180,742.08, 249,424.64 and 100,170.96

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Solution

The fourth proportional to 180,742.08, 249,424.64 and 100,170.96 is: 138,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,742.08 : 249,424.64 = 100,170.96 : x
  2. Step 2: Convert to fraction form
    180,742.08/249,424.64 = 100,170.96/x
  3. Step 3: Cross multiply
    180,742.08x = 249,424.64 × 100,170.96
  4. Step 4: Simplify right side
    180,742.08x = 24,985,105,636.45
  5. Step 5: Solve for x
    x = 24,985,105,636.45/180,742.08
  6. Step 6: Final answer
    x = 138,236.24

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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.