Home / 119,530.08-164,955.60-65,818.80

Finding the Fourth Proportional to 119,530.08, 164,955.60 and 65,818.80

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Solution

The fourth proportional to 119,530.08, 164,955.60 and 65,818.80 is: 90,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,530.08 : 164,955.60 = 65,818.80 : x
  2. Step 2: Convert to fraction form
    119,530.08/164,955.60 = 65,818.80/x
  3. Step 3: Cross multiply
    119,530.08x = 164,955.60 × 65,818.80
  4. Step 4: Simplify right side
    119,530.08x = 10,857,179,645.28
  5. Step 5: Solve for x
    x = 10,857,179,645.28/119,530.08
  6. Step 6: Final answer
    x = 90,832.20

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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.