Home / 122,406.24-168,872.40-70,695.84

Finding the Fourth Proportional to 122,406.24, 168,872.40 and 70,695.84

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Solution

The fourth proportional to 122,406.24, 168,872.40 and 70,695.84 is: 97,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,406.24 : 168,872.40 = 70,695.84 : x
  2. Step 2: Convert to fraction form
    122,406.24/168,872.40 = 70,695.84/x
  3. Step 3: Cross multiply
    122,406.24x = 168,872.40 × 70,695.84
  4. Step 4: Simplify right side
    122,406.24x = 11,938,576,170.82
  5. Step 5: Solve for x
    x = 11,938,576,170.82/122,406.24
  6. Step 6: Final answer
    x = 97,532.41

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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.