Home / 152,171.96-210,001.75-83,265.56

Finding the Fourth Proportional to 152,171.96, 210,001.75 and 83,265.56

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Solution

The fourth proportional to 152,171.96, 210,001.75 and 83,265.56 is: 114,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,171.96 : 210,001.75 = 83,265.56 : x
  2. Step 2: Convert to fraction form
    152,171.96/210,001.75 = 83,265.56/x
  3. Step 3: Cross multiply
    152,171.96x = 210,001.75 × 83,265.56
  4. Step 4: Simplify right side
    152,171.96x = 17,485,912,056.56
  5. Step 5: Solve for x
    x = 17,485,912,056.56/152,171.96
  6. Step 6: Final answer
    x = 114,908.90

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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.