Home / 112,011.84-154,579.84-64,273.92

Finding the Fourth Proportional to 112,011.84, 154,579.84 and 64,273.92

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Solution

The fourth proportional to 112,011.84, 154,579.84 and 64,273.92 is: 88,700.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,011.84 : 154,579.84 = 64,273.92 : x
  2. Step 2: Convert to fraction form
    112,011.84/154,579.84 = 64,273.92/x
  3. Step 3: Cross multiply
    112,011.84x = 154,579.84 × 64,273.92
  4. Step 4: Simplify right side
    112,011.84x = 9,935,452,269.77
  5. Step 5: Solve for x
    x = 9,935,452,269.77/112,011.84
  6. Step 6: Final answer
    x = 88,700.02

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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.