Home / 152,621.10-210,630.44-88,957.54

Finding the Fourth Proportional to 152,621.10, 210,630.44 and 88,957.54

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Solution

The fourth proportional to 152,621.10, 210,630.44 and 88,957.54 is: 122,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,621.10 : 210,630.44 = 88,957.54 : x
  2. Step 2: Convert to fraction form
    152,621.10/210,630.44 = 88,957.54/x
  3. Step 3: Cross multiply
    152,621.10x = 210,630.44 × 88,957.54
  4. Step 4: Simplify right side
    152,621.10x = 18,737,165,791.52
  5. Step 5: Solve for x
    x = 18,737,165,791.52/152,621.10
  6. Step 6: Final answer
    x = 122,769.17

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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.