Home / 119,001.32-164,226.36-65,288.60

Finding the Fourth Proportional to 119,001.32, 164,226.36 and 65,288.60

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Solution

The fourth proportional to 119,001.32, 164,226.36 and 65,288.60 is: 90,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,001.32 : 164,226.36 = 65,288.60 : x
  2. Step 2: Convert to fraction form
    119,001.32/164,226.36 = 65,288.60/x
  3. Step 3: Cross multiply
    119,001.32x = 164,226.36 × 65,288.60
  4. Step 4: Simplify right side
    119,001.32x = 10,722,109,127.50
  5. Step 5: Solve for x
    x = 10,722,109,127.50/119,001.32
  6. Step 6: Final answer
    x = 90,100.76

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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.