Home / 112,936.98-155,851.93-61,948.70

Finding the Fourth Proportional to 112,936.98, 155,851.93 and 61,948.70

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Solution

The fourth proportional to 112,936.98, 155,851.93 and 61,948.70 is: 85,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,936.98 : 155,851.93 = 61,948.70 : x
  2. Step 2: Convert to fraction form
    112,936.98/155,851.93 = 61,948.70/x
  3. Step 3: Cross multiply
    112,936.98x = 155,851.93 × 61,948.70
  4. Step 4: Simplify right side
    112,936.98x = 9,654,824,338.61
  5. Step 5: Solve for x
    x = 9,654,824,338.61/112,936.98
  6. Step 6: Final answer
    x = 85,488.60

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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.