Home / 112,216.72-154,718.99-71,864.14

Finding the Fourth Proportional to 112,216.72, 154,718.99 and 71,864.14

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Solution

The fourth proportional to 112,216.72, 154,718.99 and 71,864.14 is: 99,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,216.72 : 154,718.99 = 71,864.14 : x
  2. Step 2: Convert to fraction form
    112,216.72/154,718.99 = 71,864.14/x
  3. Step 3: Cross multiply
    112,216.72x = 154,718.99 × 71,864.14
  4. Step 4: Simplify right side
    112,216.72x = 11,118,747,158.02
  5. Step 5: Solve for x
    x = 11,118,747,158.02/112,216.72
  6. Step 6: Final answer
    x = 99,082.80

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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.