Home / 112,847.07-155,726.73-61,859.91

Finding the Fourth Proportional to 112,847.07, 155,726.73 and 61,859.91

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Solution

The fourth proportional to 112,847.07, 155,726.73 and 61,859.91 is: 85,365.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,847.07 : 155,726.73 = 61,859.91 : x
  2. Step 2: Convert to fraction form
    112,847.07/155,726.73 = 61,859.91/x
  3. Step 3: Cross multiply
    112,847.07x = 155,726.73 × 61,859.91
  4. Step 4: Simplify right side
    112,847.07x = 9,633,241,502.39
  5. Step 5: Solve for x
    x = 9,633,241,502.39/112,847.07
  6. Step 6: Final answer
    x = 85,365.46

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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.