Home / 120,488.31-166,297.32-69,534.18

Finding the Fourth Proportional to 120,488.31, 166,297.32 and 69,534.18

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Solution

The fourth proportional to 120,488.31, 166,297.32 and 69,534.18 is: 95,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,488.31 : 166,297.32 = 69,534.18 : x
  2. Step 2: Convert to fraction form
    120,488.31/166,297.32 = 69,534.18/x
  3. Step 3: Cross multiply
    120,488.31x = 166,297.32 × 69,534.18
  4. Step 4: Simplify right side
    120,488.31x = 11,563,347,782.40
  5. Step 5: Solve for x
    x = 11,563,347,782.40/120,488.31
  6. Step 6: Final answer
    x = 95,970.70

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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.