Home / 120,284.47-165,990.27-66,569.52

Finding the Fourth Proportional to 120,284.47, 165,990.27 and 66,569.52

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Solution

The fourth proportional to 120,284.47, 165,990.27 and 66,569.52 is: 91,864.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,284.47 : 165,990.27 = 66,569.52 : x
  2. Step 2: Convert to fraction form
    120,284.47/165,990.27 = 66,569.52/x
  3. Step 3: Cross multiply
    120,284.47x = 165,990.27 × 66,569.52
  4. Step 4: Simplify right side
    120,284.47x = 11,049,892,598.57
  5. Step 5: Solve for x
    x = 11,049,892,598.57/120,284.47
  6. Step 6: Final answer
    x = 91,864.67

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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.