Home / 101,830.89-152,565.62-42,536.07

Finding the Fourth Proportional to 101,830.89, 152,565.62 and 42,536.07

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Solution

The fourth proportional to 101,830.89, 152,565.62 and 42,536.07 is: 63,728.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,830.89 : 152,565.62 = 42,536.07 : x
  2. Step 2: Convert to fraction form
    101,830.89/152,565.62 = 42,536.07/x
  3. Step 3: Cross multiply
    101,830.89x = 152,565.62 × 42,536.07
  4. Step 4: Simplify right side
    101,830.89x = 6,489,541,679.23
  5. Step 5: Solve for x
    x = 6,489,541,679.23/101,830.89
  6. Step 6: Final answer
    x = 63,728.62

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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.