Home / 147,782.07-203,939.49-84,119.87

Finding the Fourth Proportional to 147,782.07, 203,939.49 and 84,119.87

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Solution

The fourth proportional to 147,782.07, 203,939.49 and 84,119.87 is: 116,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,782.07 : 203,939.49 = 84,119.87 : x
  2. Step 2: Convert to fraction form
    147,782.07/203,939.49 = 84,119.87/x
  3. Step 3: Cross multiply
    147,782.07x = 203,939.49 × 84,119.87
  4. Step 4: Simplify right side
    147,782.07x = 17,155,363,386.67
  5. Step 5: Solve for x
    x = 17,155,363,386.67/147,782.07
  6. Step 6: Final answer
    x = 116,085.55

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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.