Home / 99,644.02-149,501.67-42,694

Finding the Fourth Proportional to 99,644.02, 149,501.67 and 42,694

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Solution

The fourth proportional to 99,644.02, 149,501.67 and 42,694 is: 64,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,644.02 : 149,501.67 = 42,694 : x
  2. Step 2: Convert to fraction form
    99,644.02/149,501.67 = 42,694/x
  3. Step 3: Cross multiply
    99,644.02x = 149,501.67 × 42,694
  4. Step 4: Simplify right side
    99,644.02x = 6,382,824,298.98
  5. Step 5: Solve for x
    x = 6,382,824,298.98/99,644.02
  6. Step 6: Final answer
    x = 64,056.27

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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.