Home / 112,209.91-154,855.60-64,466.35

Finding the Fourth Proportional to 112,209.91, 154,855.60 and 64,466.35

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Solution

The fourth proportional to 112,209.91, 154,855.60 and 64,466.35 is: 88,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,209.91 : 154,855.60 = 64,466.35 : x
  2. Step 2: Convert to fraction form
    112,209.91/154,855.60 = 64,466.35/x
  3. Step 3: Cross multiply
    112,209.91x = 154,855.60 × 64,466.35
  4. Step 4: Simplify right side
    112,209.91x = 9,982,974,760.76
  5. Step 5: Solve for x
    x = 9,982,974,760.76/112,209.91
  6. Step 6: Final answer
    x = 88,966.96

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1.5x scale

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.