Home / 146,095.40-218,705.70-86,900.60

Finding the Fourth Proportional to 146,095.40, 218,705.70 and 86,900.60

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Solution

The fourth proportional to 146,095.40, 218,705.70 and 86,900.60 is: 130,090.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,095.40 : 218,705.70 = 86,900.60 : x
  2. Step 2: Convert to fraction form
    146,095.40/218,705.70 = 86,900.60/x
  3. Step 3: Cross multiply
    146,095.40x = 218,705.70 × 86,900.60
  4. Step 4: Simplify right side
    146,095.40x = 19,005,656,553.42
  5. Step 5: Solve for x
    x = 19,005,656,553.42/146,095.40
  6. Step 6: Final answer
    x = 130,090.73

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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.