Home / 180,718.78-249,398.36-109,084.81

Finding the Fourth Proportional to 180,718.78, 249,398.36 and 109,084.81

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Solution

The fourth proportional to 180,718.78, 249,398.36 and 109,084.81 is: 150,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,718.78 : 249,398.36 = 109,084.81 : x
  2. Step 2: Convert to fraction form
    180,718.78/249,398.36 = 109,084.81/x
  3. Step 3: Cross multiply
    180,718.78x = 249,398.36 × 109,084.81
  4. Step 4: Simplify right side
    180,718.78x = 27,205,572,714.91
  5. Step 5: Solve for x
    x = 27,205,572,714.91/180,718.78
  6. Step 6: Final answer
    x = 150,540.93

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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.