Home / 119,934.95-165,512.81-66,223.37

Finding the Fourth Proportional to 119,934.95, 165,512.81 and 66,223.37

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Solution

The fourth proportional to 119,934.95, 165,512.81 and 66,223.37 is: 91,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,934.95 : 165,512.81 = 66,223.37 : x
  2. Step 2: Convert to fraction form
    119,934.95/165,512.81 = 66,223.37/x
  3. Step 3: Cross multiply
    119,934.95x = 165,512.81 × 66,223.37
  4. Step 4: Simplify right side
    119,934.95x = 10,960,814,897.69
  5. Step 5: Solve for x
    x = 10,960,814,897.69/119,934.95
  6. Step 6: Final answer
    x = 91,389.67

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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.