Home / 172,848.30-259,272.45-137,856.30

Finding the Fourth Proportional to 172,848.30, 259,272.45 and 137,856.30

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Solution

The fourth proportional to 172,848.30, 259,272.45 and 137,856.30 is: 206,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,848.30 : 259,272.45 = 137,856.30 : x
  2. Step 2: Convert to fraction form
    172,848.30/259,272.45 = 137,856.30/x
  3. Step 3: Cross multiply
    172,848.30x = 259,272.45 × 137,856.30
  4. Step 4: Simplify right side
    172,848.30x = 35,742,340,648.94
  5. Step 5: Solve for x
    x = 35,742,340,648.94/172,848.30
  6. Step 6: Final answer
    x = 206,784.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.