Home / 151,329.07-208,835.45-83,348.40

Finding the Fourth Proportional to 151,329.07, 208,835.45 and 83,348.40

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Solution

The fourth proportional to 151,329.07, 208,835.45 and 83,348.40 is: 115,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,329.07 : 208,835.45 = 83,348.40 : x
  2. Step 2: Convert to fraction form
    151,329.07/208,835.45 = 83,348.40/x
  3. Step 3: Cross multiply
    151,329.07x = 208,835.45 × 83,348.40
  4. Step 4: Simplify right side
    151,329.07x = 17,406,100,623.49
  5. Step 5: Solve for x
    x = 17,406,100,623.49/151,329.07
  6. Step 6: Final answer
    x = 115,021.52

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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.