Home / 140,178.96-210,258.27-54,773.76

Finding the Fourth Proportional to 140,178.96, 210,258.27 and 54,773.76

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Solution

The fourth proportional to 140,178.96, 210,258.27 and 54,773.76 is: 82,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,178.96 : 210,258.27 = 54,773.76 : x
  2. Step 2: Convert to fraction form
    140,178.96/210,258.27 = 54,773.76/x
  3. Step 3: Cross multiply
    140,178.96x = 210,258.27 × 54,773.76
  4. Step 4: Simplify right side
    140,178.96x = 11,516,636,281.82
  5. Step 5: Solve for x
    x = 11,516,636,281.82/140,178.96
  6. Step 6: Final answer
    x = 82,156.67

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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.