Home / 127,791.68-176,345.32-70,430.82

Finding the Fourth Proportional to 127,791.68, 176,345.32 and 70,430.82

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Solution

The fourth proportional to 127,791.68, 176,345.32 and 70,430.82 is: 97,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,791.68 : 176,345.32 = 70,430.82 : x
  2. Step 2: Convert to fraction form
    127,791.68/176,345.32 = 70,430.82/x
  3. Step 3: Cross multiply
    127,791.68x = 176,345.32 × 70,430.82
  4. Step 4: Simplify right side
    127,791.68x = 12,420,144,256.88
  5. Step 5: Solve for x
    x = 12,420,144,256.88/127,791.68
  6. Step 6: Final answer
    x = 97,190.56

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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.