Home / 135,968.66-203,931.90-69,457.94

Finding the Fourth Proportional to 135,968.66, 203,931.90 and 69,457.94

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Solution

The fourth proportional to 135,968.66, 203,931.90 and 69,457.94 is: 104,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,968.66 : 203,931.90 = 69,457.94 : x
  2. Step 2: Convert to fraction form
    135,968.66/203,931.90 = 69,457.94/x
  3. Step 3: Cross multiply
    135,968.66x = 203,931.90 × 69,457.94
  4. Step 4: Simplify right side
    135,968.66x = 14,164,689,674.29
  5. Step 5: Solve for x
    x = 14,164,689,674.29/135,968.66
  6. Step 6: Final answer
    x = 104,176.14

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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.