Home / 120,607.23-166,411.35-69,609.13

Finding the Fourth Proportional to 120,607.23, 166,411.35 and 69,609.13

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Solution

The fourth proportional to 120,607.23, 166,411.35 and 69,609.13 is: 96,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,607.23 : 166,411.35 = 69,609.13 : x
  2. Step 2: Convert to fraction form
    120,607.23/166,411.35 = 69,609.13/x
  3. Step 3: Cross multiply
    120,607.23x = 166,411.35 × 69,609.13
  4. Step 4: Simplify right side
    120,607.23x = 11,583,749,295.63
  5. Step 5: Solve for x
    x = 11,583,749,295.63/120,607.23
  6. Step 6: Final answer
    x = 96,045.23

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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.