Home / 143,748.35-215,635.88-48,946.76

Finding the Fourth Proportional to 143,748.35, 215,635.88 and 48,946.76

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Solution

The fourth proportional to 143,748.35, 215,635.88 and 48,946.76 is: 73,424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,748.35 : 215,635.88 = 48,946.76 : x
  2. Step 2: Convert to fraction form
    143,748.35/215,635.88 = 48,946.76/x
  3. Step 3: Cross multiply
    143,748.35x = 215,635.88 × 48,946.76
  4. Step 4: Simplify right side
    143,748.35x = 10,554,676,709.94
  5. Step 5: Solve for x
    x = 10,554,676,709.94/143,748.35
  6. Step 6: Final answer
    x = 73,424.68

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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.