Home / 112,922.47-155,441.79-97,602

Finding the Fourth Proportional to 112,922.47, 155,441.79 and 97,602

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Solution

The fourth proportional to 112,922.47, 155,441.79 and 97,602 is: 134,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,922.47 : 155,441.79 = 97,602 : x
  2. Step 2: Convert to fraction form
    112,922.47/155,441.79 = 97,602/x
  3. Step 3: Cross multiply
    112,922.47x = 155,441.79 × 97,602
  4. Step 4: Simplify right side
    112,922.47x = 15,171,429,587.58
  5. Step 5: Solve for x
    x = 15,171,429,587.58/112,922.47
  6. Step 6: Final answer
    x = 134,352.62

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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.