Home / 112,942.53-155,834.53-67,603.28

Finding the Fourth Proportional to 112,942.53, 155,834.53 and 67,603.28

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Solution

The fourth proportional to 112,942.53, 155,834.53 and 67,603.28 is: 93,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,942.53 : 155,834.53 = 67,603.28 : x
  2. Step 2: Convert to fraction form
    112,942.53/155,834.53 = 67,603.28/x
  3. Step 3: Cross multiply
    112,942.53x = 155,834.53 × 67,603.28
  4. Step 4: Simplify right side
    112,942.53x = 10,534,924,417.08
  5. Step 5: Solve for x
    x = 10,534,924,417.08/112,942.53
  6. Step 6: Final answer
    x = 93,276.86

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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.