Home / 180,746.65-249,430.40-100,179.37

Finding the Fourth Proportional to 180,746.65, 249,430.40 and 100,179.37

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Solution

The fourth proportional to 180,746.65, 249,430.40 and 100,179.37 is: 138,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,746.65 : 249,430.40 = 100,179.37 : x
  2. Step 2: Convert to fraction form
    180,746.65/249,430.40 = 100,179.37/x
  3. Step 3: Cross multiply
    180,746.65x = 249,430.40 × 100,179.37
  4. Step 4: Simplify right side
    180,746.65x = 24,987,780,330.85
  5. Step 5: Solve for x
    x = 24,987,780,330.85/180,746.65
  6. Step 6: Final answer
    x = 138,247.54

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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.