Home / 119,431.76-164,818.04-65,716.29

Finding the Fourth Proportional to 119,431.76, 164,818.04 and 65,716.29

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Solution

The fourth proportional to 119,431.76, 164,818.04 and 65,716.29 is: 90,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,431.76 : 164,818.04 = 65,716.29 : x
  2. Step 2: Convert to fraction form
    119,431.76/164,818.04 = 65,716.29/x
  3. Step 3: Cross multiply
    119,431.76x = 164,818.04 × 65,716.29
  4. Step 4: Simplify right side
    119,431.76x = 10,831,229,785.29
  5. Step 5: Solve for x
    x = 10,831,229,785.29/119,431.76
  6. Step 6: Final answer
    x = 90,689.70

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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.