Home / 119,039.42-164,279.12-65,326.36

Finding the Fourth Proportional to 119,039.42, 164,279.12 and 65,326.36

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Solution

The fourth proportional to 119,039.42, 164,279.12 and 65,326.36 is: 90,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,039.42 : 164,279.12 = 65,326.36 : x
  2. Step 2: Convert to fraction form
    119,039.42/164,279.12 = 65,326.36/x
  3. Step 3: Cross multiply
    119,039.42x = 164,279.12 × 65,326.36
  4. Step 4: Simplify right side
    119,039.42x = 10,731,756,933.60
  5. Step 5: Solve for x
    x = 10,731,756,933.60/119,039.42
  6. Step 6: Final answer
    x = 90,152.97

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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.