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Finding the Fourth Proportional to 152,234.69, 210,032.64 and 88,520.09

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Solution

The fourth proportional to 152,234.69, 210,032.64 and 88,520.09 is: 122,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,234.69 : 210,032.64 = 88,520.09 : x
  2. Step 2: Convert to fraction form
    152,234.69/210,032.64 = 88,520.09/x
  3. Step 3: Cross multiply
    152,234.69x = 210,032.64 × 88,520.09
  4. Step 4: Simplify right side
    152,234.69x = 18,592,107,145.57
  5. Step 5: Solve for x
    x = 18,592,107,145.57/152,234.69
  6. Step 6: Final answer
    x = 122,127.93

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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.