Home / 152,740.58-229,110.66-86,150.48

Finding the Fourth Proportional to 152,740.58, 229,110.66 and 86,150.48

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Solution

The fourth proportional to 152,740.58, 229,110.66 and 86,150.48 is: 129,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,740.58 : 229,110.66 = 86,150.48 : x
  2. Step 2: Convert to fraction form
    152,740.58/229,110.66 = 86,150.48/x
  3. Step 3: Cross multiply
    152,740.58x = 229,110.66 × 86,150.48
  4. Step 4: Simplify right side
    152,740.58x = 19,737,992,186.56
  5. Step 5: Solve for x
    x = 19,737,992,186.56/152,740.58
  6. Step 6: Final answer
    x = 129,225.60

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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.