Home / 250,473.90-345,667.23-137,301.42

Finding the Fourth Proportional to 250,473.90, 345,667.23 and 137,301.42

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Solution

The fourth proportional to 250,473.90, 345,667.23 and 137,301.42 is: 189,483.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,473.90 : 345,667.23 = 137,301.42 : x
  2. Step 2: Convert to fraction form
    250,473.90/345,667.23 = 137,301.42/x
  3. Step 3: Cross multiply
    250,473.90x = 345,667.23 × 137,301.42
  4. Step 4: Simplify right side
    250,473.90x = 47,460,601,526.47
  5. Step 5: Solve for x
    x = 47,460,601,526.47/250,473.90
  6. Step 6: Final answer
    x = 189,483.22

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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.