Home / 120,258.57-180,337.06-36,030.67

Finding the Fourth Proportional to 120,258.57, 180,337.06 and 36,030.67

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Solution

The fourth proportional to 120,258.57, 180,337.06 and 36,030.67 is: 54,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,258.57 : 180,337.06 = 36,030.67 : x
  2. Step 2: Convert to fraction form
    120,258.57/180,337.06 = 36,030.67/x
  3. Step 3: Cross multiply
    120,258.57x = 180,337.06 × 36,030.67
  4. Step 4: Simplify right side
    120,258.57x = 6,497,665,604.89
  5. Step 5: Solve for x
    x = 6,497,665,604.89/120,258.57
  6. Step 6: Final answer
    x = 54,030.79

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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.