Home / 112,256.72-154,909.44-61,268.16

Finding the Fourth Proportional to 112,256.72, 154,909.44 and 61,268.16

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Solution

The fourth proportional to 112,256.72, 154,909.44 and 61,268.16 is: 84,547.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,256.72 : 154,909.44 = 61,268.16 : x
  2. Step 2: Convert to fraction form
    112,256.72/154,909.44 = 61,268.16/x
  3. Step 3: Cross multiply
    112,256.72x = 154,909.44 × 61,268.16
  4. Step 4: Simplify right side
    112,256.72x = 9,491,016,355.43
  5. Step 5: Solve for x
    x = 9,491,016,355.43/112,256.72
  6. Step 6: Final answer
    x = 84,547.42

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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.