Home / 121,427.46-182,222.04-42,541.56

Finding the Fourth Proportional to 121,427.46, 182,222.04 and 42,541.56

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Solution

The fourth proportional to 121,427.46, 182,222.04 and 42,541.56 is: 63,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,427.46 : 182,222.04 = 42,541.56 : x
  2. Step 2: Convert to fraction form
    121,427.46/182,222.04 = 42,541.56/x
  3. Step 3: Cross multiply
    121,427.46x = 182,222.04 × 42,541.56
  4. Step 4: Simplify right side
    121,427.46x = 7,752,009,847.98
  5. Step 5: Solve for x
    x = 7,752,009,847.98/121,427.46
  6. Step 6: Final answer
    x = 63,840.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.