Home / 108,318.94-149,429.75-70,090.82

Finding the Fourth Proportional to 108,318.94, 149,429.75 and 70,090.82

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Solution

The fourth proportional to 108,318.94, 149,429.75 and 70,090.82 is: 96,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,318.94 : 149,429.75 = 70,090.82 : x
  2. Step 2: Convert to fraction form
    108,318.94/149,429.75 = 70,090.82/x
  3. Step 3: Cross multiply
    108,318.94x = 149,429.75 × 70,090.82
  4. Step 4: Simplify right side
    108,318.94x = 10,473,653,172.65
  5. Step 5: Solve for x
    x = 10,473,653,172.65/108,318.94
  6. Step 6: Final answer
    x = 96,692.72

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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.