Home / 98,037.49-146,984.55-31,439.71

Finding the Fourth Proportional to 98,037.49, 146,984.55 and 31,439.71

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Solution

The fourth proportional to 98,037.49, 146,984.55 and 31,439.71 is: 47,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,037.49 : 146,984.55 = 31,439.71 : x
  2. Step 2: Convert to fraction form
    98,037.49/146,984.55 = 31,439.71/x
  3. Step 3: Cross multiply
    98,037.49x = 146,984.55 × 31,439.71
  4. Step 4: Simplify right side
    98,037.49x = 4,621,151,626.48
  5. Step 5: Solve for x
    x = 4,621,151,626.48/98,037.49
  6. Step 6: Final answer
    x = 47,136.58

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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.