Home / 108,219.36-149,343.18-59,161.98

Finding the Fourth Proportional to 108,219.36, 149,343.18 and 59,161.98

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Solution

The fourth proportional to 108,219.36, 149,343.18 and 59,161.98 is: 81,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,219.36 : 149,343.18 = 59,161.98 : x
  2. Step 2: Convert to fraction form
    108,219.36/149,343.18 = 59,161.98/x
  3. Step 3: Cross multiply
    108,219.36x = 149,343.18 × 59,161.98
  4. Step 4: Simplify right side
    108,219.36x = 8,835,438,228.30
  5. Step 5: Solve for x
    x = 8,835,438,228.30/108,219.36
  6. Step 6: Final answer
    x = 81,643.79

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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.