Home / 112,124.24-154,732.68-61,136.56

Finding the Fourth Proportional to 112,124.24, 154,732.68 and 61,136.56

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Solution

The fourth proportional to 112,124.24, 154,732.68 and 61,136.56 is: 84,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,124.24 : 154,732.68 = 61,136.56 : x
  2. Step 2: Convert to fraction form
    112,124.24/154,732.68 = 61,136.56/x
  3. Step 3: Cross multiply
    112,124.24x = 154,732.68 × 61,136.56
  4. Step 4: Simplify right side
    112,124.24x = 9,459,823,774.78
  5. Step 5: Solve for x
    x = 9,459,823,774.78/112,124.24
  6. Step 6: Final answer
    x = 84,369.12

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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.