Home / 163,404.82-225,523.20-99,779.32

Finding the Fourth Proportional to 163,404.82, 225,523.20 and 99,779.32

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Solution

The fourth proportional to 163,404.82, 225,523.20 and 99,779.32 is: 137,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,404.82 : 225,523.20 = 99,779.32 : x
  2. Step 2: Convert to fraction form
    163,404.82/225,523.20 = 99,779.32/x
  3. Step 3: Cross multiply
    163,404.82x = 225,523.20 × 99,779.32
  4. Step 4: Simplify right side
    163,404.82x = 22,502,551,540.22
  5. Step 5: Solve for x
    x = 22,502,551,540.22/163,404.82
  6. Step 6: Final answer
    x = 137,710.45

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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.