Home / 152,860.49-229,212.67-89,803.79

Finding the Fourth Proportional to 152,860.49, 229,212.67 and 89,803.79

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Solution

The fourth proportional to 152,860.49, 229,212.67 and 89,803.79 is: 134,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,860.49 : 229,212.67 = 89,803.79 : x
  2. Step 2: Convert to fraction form
    152,860.49/229,212.67 = 89,803.79/x
  3. Step 3: Cross multiply
    152,860.49x = 229,212.67 × 89,803.79
  4. Step 4: Simplify right side
    152,860.49x = 20,584,166,482.02
  5. Step 5: Solve for x
    x = 20,584,166,482.02/152,860.49
  6. Step 6: Final answer
    x = 134,659.82

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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.