Home / 112,267.20-154,928.64-61,966.08

Finding the Fourth Proportional to 112,267.20, 154,928.64 and 61,966.08

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Solution

The fourth proportional to 112,267.20, 154,928.64 and 61,966.08 is: 85,513.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,267.20 : 154,928.64 = 61,966.08 : x
  2. Step 2: Convert to fraction form
    112,267.20/154,928.64 = 61,966.08/x
  3. Step 3: Cross multiply
    112,267.20x = 154,928.64 × 61,966.08
  4. Step 4: Simplify right side
    112,267.20x = 9,600,320,500.53
  5. Step 5: Solve for x
    x = 9,600,320,500.53/112,267.20
  6. Step 6: Final answer
    x = 85,513.14

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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.