Home / 145,006.20-200,016.36-104,779.08

Finding the Fourth Proportional to 145,006.20, 200,016.36 and 104,779.08

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Solution

The fourth proportional to 145,006.20, 200,016.36 and 104,779.08 is: 144,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,006.20 : 200,016.36 = 104,779.08 : x
  2. Step 2: Convert to fraction form
    145,006.20/200,016.36 = 104,779.08/x
  3. Step 3: Cross multiply
    145,006.20x = 200,016.36 × 104,779.08
  4. Step 4: Simplify right side
    145,006.20x = 20,957,530,185.75
  5. Step 5: Solve for x
    x = 20,957,530,185.75/145,006.20
  6. Step 6: Final answer
    x = 144,528.51

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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.