Home / 112,141.84-154,769.68-64,394.16

Finding the Fourth Proportional to 112,141.84, 154,769.68 and 64,394.16

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Solution

The fourth proportional to 112,141.84, 154,769.68 and 64,394.16 is: 88,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,141.84 : 154,769.68 = 64,394.16 : x
  2. Step 2: Convert to fraction form
    112,141.84/154,769.68 = 64,394.16/x
  3. Step 3: Cross multiply
    112,141.84x = 154,769.68 × 64,394.16
  4. Step 4: Simplify right side
    112,141.84x = 9,966,263,537.07
  5. Step 5: Solve for x
    x = 9,966,263,537.07/112,141.84
  6. Step 6: Final answer
    x = 88,871.95

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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.