Home / 142,948.92-214,442.58-54,235.32

Finding the Fourth Proportional to 142,948.92, 214,442.58 and 54,235.32

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Solution

The fourth proportional to 142,948.92, 214,442.58 and 54,235.32 is: 81,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,948.92 : 214,442.58 = 54,235.32 : x
  2. Step 2: Convert to fraction form
    142,948.92/214,442.58 = 54,235.32/x
  3. Step 3: Cross multiply
    142,948.92x = 214,442.58 × 54,235.32
  4. Step 4: Simplify right side
    142,948.92x = 11,630,361,947.93
  5. Step 5: Solve for x
    x = 11,630,361,947.93/142,948.92
  6. Step 6: Final answer
    x = 81,360.26

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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.