Home / 158,772.96-219,107.16-87,160.32

Finding the Fourth Proportional to 158,772.96, 219,107.16 and 87,160.32

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Solution

The fourth proportional to 158,772.96, 219,107.16 and 87,160.32 is: 120,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,772.96 : 219,107.16 = 87,160.32 : x
  2. Step 2: Convert to fraction form
    158,772.96/219,107.16 = 87,160.32/x
  3. Step 3: Cross multiply
    158,772.96x = 219,107.16 × 87,160.32
  4. Step 4: Simplify right side
    158,772.96x = 19,097,450,179.89
  5. Step 5: Solve for x
    x = 19,097,450,179.89/158,772.96
  6. Step 6: Final answer
    x = 120,281.50

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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.