Home / 102,182.07-153,133.38-77,201.67

Finding the Fourth Proportional to 102,182.07, 153,133.38 and 77,201.67

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Solution

The fourth proportional to 102,182.07, 153,133.38 and 77,201.67 is: 115,696.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,182.07 : 153,133.38 = 77,201.67 : x
  2. Step 2: Convert to fraction form
    102,182.07/153,133.38 = 77,201.67/x
  3. Step 3: Cross multiply
    102,182.07x = 153,133.38 × 77,201.67
  4. Step 4: Simplify right side
    102,182.07x = 11,822,152,668.74
  5. Step 5: Solve for x
    x = 11,822,152,668.74/102,182.07
  6. Step 6: Final answer
    x = 115,696.94

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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.