Home / 229,421.16-344,131.74-89,212.59

Finding the Fourth Proportional to 229,421.16, 344,131.74 and 89,212.59

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Solution

The fourth proportional to 229,421.16, 344,131.74 and 89,212.59 is: 133,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,421.16 : 344,131.74 = 89,212.59 : x
  2. Step 2: Convert to fraction form
    229,421.16/344,131.74 = 89,212.59/x
  3. Step 3: Cross multiply
    229,421.16x = 344,131.74 × 89,212.59
  4. Step 4: Simplify right side
    229,421.16x = 30,700,883,826.61
  5. Step 5: Solve for x
    x = 30,700,883,826.61/229,421.16
  6. Step 6: Final answer
    x = 133,818.89

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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.