Home / 104,800.23-144,636.64-61,789.23

Finding the Fourth Proportional to 104,800.23, 144,636.64 and 61,789.23

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Solution

The fourth proportional to 104,800.23, 144,636.64 and 61,789.23 is: 85,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,800.23 : 144,636.64 = 61,789.23 : x
  2. Step 2: Convert to fraction form
    104,800.23/144,636.64 = 61,789.23/x
  3. Step 3: Cross multiply
    104,800.23x = 144,636.64 × 61,789.23
  4. Step 4: Simplify right side
    104,800.23x = 8,936,986,460.91
  5. Step 5: Solve for x
    x = 8,936,986,460.91/104,800.23
  6. Step 6: Final answer
    x = 85,276.40

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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.