Home / 175,628.07-242,372.61-107,631.91

Finding the Fourth Proportional to 175,628.07, 242,372.61 and 107,631.91

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Solution

The fourth proportional to 175,628.07, 242,372.61 and 107,631.91 is: 148,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,628.07 : 242,372.61 = 107,631.91 : x
  2. Step 2: Convert to fraction form
    175,628.07/242,372.61 = 107,631.91/x
  3. Step 3: Cross multiply
    175,628.07x = 242,372.61 × 107,631.91
  4. Step 4: Simplify right side
    175,628.07x = 26,087,026,945.99
  5. Step 5: Solve for x
    x = 26,087,026,945.99/175,628.07
  6. Step 6: Final answer
    x = 148,535.64

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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.