Home / 250,221.96-345,330.99-142,808.04

Finding the Fourth Proportional to 250,221.96, 345,330.99 and 142,808.04

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Solution

The fourth proportional to 250,221.96, 345,330.99 and 142,808.04 is: 197,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,221.96 : 345,330.99 = 142,808.04 : x
  2. Step 2: Convert to fraction form
    250,221.96/345,330.99 = 142,808.04/x
  3. Step 3: Cross multiply
    250,221.96x = 345,330.99 × 142,808.04
  4. Step 4: Simplify right side
    250,221.96x = 49,316,041,833.16
  5. Step 5: Solve for x
    x = 49,316,041,833.16/250,221.96
  6. Step 6: Final answer
    x = 197,089.18

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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.