Home / 126,615.16-189,950.82-47,730.07

Finding the Fourth Proportional to 126,615.16, 189,950.82 and 47,730.07

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Solution

The fourth proportional to 126,615.16, 189,950.82 and 47,730.07 is: 71,605.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,615.16 : 189,950.82 = 47,730.07 : x
  2. Step 2: Convert to fraction form
    126,615.16/189,950.82 = 47,730.07/x
  3. Step 3: Cross multiply
    126,615.16x = 189,950.82 × 47,730.07
  4. Step 4: Simplify right side
    126,615.16x = 9,066,365,935.16
  5. Step 5: Solve for x
    x = 9,066,365,935.16/126,615.16
  6. Step 6: Final answer
    x = 71,605.69

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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.