Home / 180,724.73-249,401.59-100,153.58

Finding the Fourth Proportional to 180,724.73, 249,401.59 and 100,153.58

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Solution

The fourth proportional to 180,724.73, 249,401.59 and 100,153.58 is: 138,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,724.73 : 249,401.59 = 100,153.58 : x
  2. Step 2: Convert to fraction form
    180,724.73/249,401.59 = 100,153.58/x
  3. Step 3: Cross multiply
    180,724.73x = 249,401.59 × 100,153.58
  4. Step 4: Simplify right side
    180,724.73x = 24,978,460,598.80
  5. Step 5: Solve for x
    x = 24,978,460,598.80/180,724.73
  6. Step 6: Final answer
    x = 138,212.75

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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.