Home / 146,387.10-202,015.77-85,958.46

Finding the Fourth Proportional to 146,387.10, 202,015.77 and 85,958.46

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Solution

The fourth proportional to 146,387.10, 202,015.77 and 85,958.46 is: 118,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,387.10 : 202,015.77 = 85,958.46 : x
  2. Step 2: Convert to fraction form
    146,387.10/202,015.77 = 85,958.46/x
  3. Step 3: Cross multiply
    146,387.10x = 202,015.77 × 85,958.46
  4. Step 4: Simplify right side
    146,387.10x = 17,364,964,484.91
  5. Step 5: Solve for x
    x = 17,364,964,484.91/146,387.10
  6. Step 6: Final answer
    x = 118,623.60

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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.