Home / 112,307.84-154,983.65-61,320.41

Finding the Fourth Proportional to 112,307.84, 154,983.65 and 61,320.41

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Solution

The fourth proportional to 112,307.84, 154,983.65 and 61,320.41 is: 84,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,307.84 : 154,983.65 = 61,320.41 : x
  2. Step 2: Convert to fraction form
    112,307.84/154,983.65 = 61,320.41/x
  3. Step 3: Cross multiply
    112,307.84x = 154,983.65 × 61,320.41
  4. Step 4: Simplify right side
    112,307.84x = 9,503,661,505.21
  5. Step 5: Solve for x
    x = 9,503,661,505.21/112,307.84
  6. Step 6: Final answer
    x = 84,621.53

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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.