Home / 67,715.19-100,857.83-64,158.89

Finding the Fourth Proportional to 67,715.19, 100,857.83 and 64,158.89

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Solution

The fourth proportional to 67,715.19, 100,857.83 and 64,158.89 is: 95,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,715.19 : 100,857.83 = 64,158.89 : x
  2. Step 2: Convert to fraction form
    67,715.19/100,857.83 = 64,158.89/x
  3. Step 3: Cross multiply
    67,715.19x = 100,857.83 × 64,158.89
  4. Step 4: Simplify right side
    67,715.19x = 6,470,925,595.53
  5. Step 5: Solve for x
    x = 6,470,925,595.53/67,715.19
  6. Step 6: Final answer
    x = 95,560.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.