Home / 108,415.05-149,610.40-59,356.57

Finding the Fourth Proportional to 108,415.05, 149,610.40 and 59,356.57

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Solution

The fourth proportional to 108,415.05, 149,610.40 and 59,356.57 is: 81,910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,415.05 : 149,610.40 = 59,356.57 : x
  2. Step 2: Convert to fraction form
    108,415.05/149,610.40 = 59,356.57/x
  3. Step 3: Cross multiply
    108,415.05x = 149,610.40 × 59,356.57
  4. Step 4: Simplify right side
    108,415.05x = 8,880,359,798.17
  5. Step 5: Solve for x
    x = 8,880,359,798.17/108,415.05
  6. Step 6: Final answer
    x = 81,910.77

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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.