Home / 112,305.34-154,979.08-64,558.27

Finding the Fourth Proportional to 112,305.34, 154,979.08 and 64,558.27

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Solution

The fourth proportional to 112,305.34, 154,979.08 and 64,558.27 is: 89,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,305.34 : 154,979.08 = 64,558.27 : x
  2. Step 2: Convert to fraction form
    112,305.34/154,979.08 = 64,558.27/x
  3. Step 3: Cross multiply
    112,305.34x = 154,979.08 × 64,558.27
  4. Step 4: Simplify right side
    112,305.34x = 10,005,181,290.99
  5. Step 5: Solve for x
    x = 10,005,181,290.99/112,305.34
  6. Step 6: Final answer
    x = 89,089.10

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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.