Home / 232,450.19-348,539.79-90,129.20

Finding the Fourth Proportional to 232,450.19, 348,539.79 and 90,129.20

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Solution

The fourth proportional to 232,450.19, 348,539.79 and 90,129.20 is: 135,141.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,450.19 : 348,539.79 = 90,129.20 : x
  2. Step 2: Convert to fraction form
    232,450.19/348,539.79 = 90,129.20/x
  3. Step 3: Cross multiply
    232,450.19x = 348,539.79 × 90,129.20
  4. Step 4: Simplify right side
    232,450.19x = 31,413,610,698.17
  5. Step 5: Solve for x
    x = 31,413,610,698.17/232,450.19
  6. Step 6: Final answer
    x = 135,141.26

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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.