Home / 641,282.90-961,924.35-168,016.10

Finding the Fourth Proportional to 641,282.90, 961,924.35 and 168,016.10

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Solution

The fourth proportional to 641,282.90, 961,924.35 and 168,016.10 is: 252,024.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,282.90 : 961,924.35 = 168,016.10 : x
  2. Step 2: Convert to fraction form
    641,282.90/961,924.35 = 168,016.10/x
  3. Step 3: Cross multiply
    641,282.90x = 961,924.35 × 168,016.10
  4. Step 4: Simplify right side
    641,282.90x = 161,618,777,782.04
  5. Step 5: Solve for x
    x = 161,618,777,782.04/641,282.90
  6. Step 6: Final answer
    x = 252,024.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.