Home / 146,975.51-202,820.30-86,548.70

Finding the Fourth Proportional to 146,975.51, 202,820.30 and 86,548.70

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Solution

The fourth proportional to 146,975.51, 202,820.30 and 86,548.70 is: 119,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,975.51 : 202,820.30 = 86,548.70 : x
  2. Step 2: Convert to fraction form
    146,975.51/202,820.30 = 86,548.70/x
  3. Step 3: Cross multiply
    146,975.51x = 202,820.30 × 86,548.70
  4. Step 4: Simplify right side
    146,975.51x = 17,553,833,372.92
  5. Step 5: Solve for x
    x = 17,553,833,372.92/146,975.51
  6. Step 6: Final answer
    x = 119,433.73

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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.