Home / 158,579.72-218,857.40-101,271.84

Finding the Fourth Proportional to 158,579.72, 218,857.40 and 101,271.84

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Solution

The fourth proportional to 158,579.72, 218,857.40 and 101,271.84 is: 139,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,579.72 : 218,857.40 = 101,271.84 : x
  2. Step 2: Convert to fraction form
    158,579.72/218,857.40 = 101,271.84/x
  3. Step 3: Cross multiply
    158,579.72x = 218,857.40 × 101,271.84
  4. Step 4: Simplify right side
    158,579.72x = 22,164,091,595.62
  5. Step 5: Solve for x
    x = 22,164,091,595.62/158,579.72
  6. Step 6: Final answer
    x = 139,766.24

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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.