Home / 98,226.36-135,514.08-55,779.12

Finding the Fourth Proportional to 98,226.36, 135,514.08 and 55,779.12

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Solution

The fourth proportional to 98,226.36, 135,514.08 and 55,779.12 is: 76,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,226.36 : 135,514.08 = 55,779.12 : x
  2. Step 2: Convert to fraction form
    98,226.36/135,514.08 = 55,779.12/x
  3. Step 3: Cross multiply
    98,226.36x = 135,514.08 × 55,779.12
  4. Step 4: Simplify right side
    98,226.36x = 7,558,856,130.01
  5. Step 5: Solve for x
    x = 7,558,856,130.01/98,226.36
  6. Step 6: Final answer
    x = 76,953.44

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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.