Home / 142,234.84-196,136.76-122,158.12

Finding the Fourth Proportional to 142,234.84, 196,136.76 and 122,158.12

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Solution

The fourth proportional to 142,234.84, 196,136.76 and 122,158.12 is: 168,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,234.84 : 196,136.76 = 122,158.12 : x
  2. Step 2: Convert to fraction form
    142,234.84/196,136.76 = 122,158.12/x
  3. Step 3: Cross multiply
    142,234.84x = 196,136.76 × 122,158.12
  4. Step 4: Simplify right side
    142,234.84x = 23,959,697,864.49
  5. Step 5: Solve for x
    x = 23,959,697,864.49/142,234.84
  6. Step 6: Final answer
    x = 168,451.68

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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.