Home / 120,927.47-166,872.71-67,210.63

Finding the Fourth Proportional to 120,927.47, 166,872.71 and 67,210.63

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Solution

The fourth proportional to 120,927.47, 166,872.71 and 67,210.63 is: 92,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,927.47 : 166,872.71 = 67,210.63 : x
  2. Step 2: Convert to fraction form
    120,927.47/166,872.71 = 67,210.63/x
  3. Step 3: Cross multiply
    120,927.47x = 166,872.71 × 67,210.63
  4. Step 4: Simplify right side
    120,927.47x = 11,215,619,719.75
  5. Step 5: Solve for x
    x = 11,215,619,719.75/120,927.47
  6. Step 6: Final answer
    x = 92,746.67

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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.