Home / 98,266.02-135,565.09-64,215.41

Finding the Fourth Proportional to 98,266.02, 135,565.09 and 64,215.41

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Solution

The fourth proportional to 98,266.02, 135,565.09 and 64,215.41 is: 88,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,266.02 : 135,565.09 = 64,215.41 : x
  2. Step 2: Convert to fraction form
    98,266.02/135,565.09 = 64,215.41/x
  3. Step 3: Cross multiply
    98,266.02x = 135,565.09 × 64,215.41
  4. Step 4: Simplify right side
    98,266.02x = 8,705,366,997.67
  5. Step 5: Solve for x
    x = 8,705,366,997.67/98,266.02
  6. Step 6: Final answer
    x = 88,589.80

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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.