Home / 180,726.10-249,402.66-100,155

Finding the Fourth Proportional to 180,726.10, 249,402.66 and 100,155

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Solution

The fourth proportional to 180,726.10, 249,402.66 and 100,155 is: 138,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,726.10 : 249,402.66 = 100,155 : x
  2. Step 2: Convert to fraction form
    180,726.10/249,402.66 = 100,155/x
  3. Step 3: Cross multiply
    180,726.10x = 249,402.66 × 100,155
  4. Step 4: Simplify right side
    180,726.10x = 24,978,923,412.30
  5. Step 5: Solve for x
    x = 24,978,923,412.30/180,726.10
  6. Step 6: Final answer
    x = 138,214.26

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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.