Home / 160,777.24-221,885.13-89,171.26

Finding the Fourth Proportional to 160,777.24, 221,885.13 and 89,171.26

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Solution

The fourth proportional to 160,777.24, 221,885.13 and 89,171.26 is: 123,063.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,777.24 : 221,885.13 = 89,171.26 : x
  2. Step 2: Convert to fraction form
    160,777.24/221,885.13 = 89,171.26/x
  3. Step 3: Cross multiply
    160,777.24x = 221,885.13 × 89,171.26
  4. Step 4: Simplify right side
    160,777.24x = 19,785,776,617.36
  5. Step 5: Solve for x
    x = 19,785,776,617.36/160,777.24
  6. Step 6: Final answer
    x = 123,063.29

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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.