Home / 108,260.16-149,302.08-67,977.72

Finding the Fourth Proportional to 108,260.16, 149,302.08 and 67,977.72

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Solution

The fourth proportional to 108,260.16, 149,302.08 and 67,977.72 is: 93,748.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,260.16 : 149,302.08 = 67,977.72 : x
  2. Step 2: Convert to fraction form
    108,260.16/149,302.08 = 67,977.72/x
  3. Step 3: Cross multiply
    108,260.16x = 149,302.08 × 67,977.72
  4. Step 4: Simplify right side
    108,260.16x = 10,149,214,989.66
  5. Step 5: Solve for x
    x = 10,149,214,989.66/108,260.16
  6. Step 6: Final answer
    x = 93,748.38

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1.5x scale

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.