Home / 180,823.10-249,550.67-100,275.89

Finding the Fourth Proportional to 180,823.10, 249,550.67 and 100,275.89

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Solution

The fourth proportional to 180,823.10, 249,550.67 and 100,275.89 is: 138,388.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,823.10 : 249,550.67 = 100,275.89 : x
  2. Step 2: Convert to fraction form
    180,823.10/249,550.67 = 100,275.89/x
  3. Step 3: Cross multiply
    180,823.10x = 249,550.67 × 100,275.89
  4. Step 4: Simplify right side
    180,823.10x = 25,023,915,032.97
  5. Step 5: Solve for x
    x = 25,023,915,032.97/180,823.10
  6. Step 6: Final answer
    x = 138,388.93

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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.