Home / 180,746.40-249,430.05-100,179.12

Finding the Fourth Proportional to 180,746.40, 249,430.05 and 100,179.12

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Solution

The fourth proportional to 180,746.40, 249,430.05 and 100,179.12 is: 138,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,746.40 : 249,430.05 = 100,179.12 : x
  2. Step 2: Convert to fraction form
    180,746.40/249,430.05 = 100,179.12/x
  3. Step 3: Cross multiply
    180,746.40x = 249,430.05 × 100,179.12
  4. Step 4: Simplify right side
    180,746.40x = 24,987,682,910.56
  5. Step 5: Solve for x
    x = 24,987,682,910.56/180,746.40
  6. Step 6: Final answer
    x = 138,247.20

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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.