Home / 112,943.13-155,860.43-61,953.46

Finding the Fourth Proportional to 112,943.13, 155,860.43 and 61,953.46

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Solution

The fourth proportional to 112,943.13, 155,860.43 and 61,953.46 is: 85,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,943.13 : 155,860.43 = 61,953.46 : x
  2. Step 2: Convert to fraction form
    112,943.13/155,860.43 = 61,953.46/x
  3. Step 3: Cross multiply
    112,943.13x = 155,860.43 × 61,953.46
  4. Step 4: Simplify right side
    112,943.13x = 9,656,092,390.41
  5. Step 5: Solve for x
    x = 9,656,092,390.41/112,943.13
  6. Step 6: Final answer
    x = 85,495.17

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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.