Home / 98,118.40-135,457.68-67,536.04

Finding the Fourth Proportional to 98,118.40, 135,457.68 and 67,536.04

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Solution

The fourth proportional to 98,118.40, 135,457.68 and 67,536.04 is: 93,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,118.40 : 135,457.68 = 67,536.04 : x
  2. Step 2: Convert to fraction form
    98,118.40/135,457.68 = 67,536.04/x
  3. Step 3: Cross multiply
    98,118.40x = 135,457.68 × 67,536.04
  4. Step 4: Simplify right side
    98,118.40x = 9,148,275,294.79
  5. Step 5: Solve for x
    x = 9,148,275,294.79/98,118.40
  6. Step 6: Final answer
    x = 93,237.10

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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.