Home / 110,688.84-152,749.90-62,942.22

Finding the Fourth Proportional to 110,688.84, 152,749.90 and 62,942.22

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Solution

The fourth proportional to 110,688.84, 152,749.90 and 62,942.22 is: 86,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,688.84 : 152,749.90 = 62,942.22 : x
  2. Step 2: Convert to fraction form
    110,688.84/152,749.90 = 62,942.22/x
  3. Step 3: Cross multiply
    110,688.84x = 152,749.90 × 62,942.22
  4. Step 4: Simplify right side
    110,688.84x = 9,614,417,810.78
  5. Step 5: Solve for x
    x = 9,614,417,810.78/110,688.84
  6. Step 6: Final answer
    x = 86,859.87

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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.