Home / 98,389.20-147,510.90-42,183.30

Finding the Fourth Proportional to 98,389.20, 147,510.90 and 42,183.30

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Solution

The fourth proportional to 98,389.20, 147,510.90 and 42,183.30 is: 63,243.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,389.20 : 147,510.90 = 42,183.30 : x
  2. Step 2: Convert to fraction form
    98,389.20/147,510.90 = 42,183.30/x
  3. Step 3: Cross multiply
    98,389.20x = 147,510.90 × 42,183.30
  4. Step 4: Simplify right side
    98,389.20x = 6,222,496,547.97
  5. Step 5: Solve for x
    x = 6,222,496,547.97/98,389.20
  6. Step 6: Final answer
    x = 63,243.69

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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.