Home / 119,113.26-164,376.62-65,401.76

Finding the Fourth Proportional to 119,113.26, 164,376.62 and 65,401.76

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Solution

The fourth proportional to 119,113.26, 164,376.62 and 65,401.76 is: 90,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,113.26 : 164,376.62 = 65,401.76 : x
  2. Step 2: Convert to fraction form
    119,113.26/164,376.62 = 65,401.76/x
  3. Step 3: Cross multiply
    119,113.26x = 164,376.62 × 65,401.76
  4. Step 4: Simplify right side
    119,113.26x = 10,750,519,101.96
  5. Step 5: Solve for x
    x = 10,750,519,101.96/119,113.26
  6. Step 6: Final answer
    x = 90,254.60

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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.