Home / 162,985.28-224,993.30-102,644.51

Finding the Fourth Proportional to 162,985.28, 224,993.30 and 102,644.51

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Solution

The fourth proportional to 162,985.28, 224,993.30 and 102,644.51 is: 141,695.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,985.28 : 224,993.30 = 102,644.51 : x
  2. Step 2: Convert to fraction form
    162,985.28/224,993.30 = 102,644.51/x
  3. Step 3: Cross multiply
    162,985.28x = 224,993.30 × 102,644.51
  4. Step 4: Simplify right side
    162,985.28x = 23,094,325,393.59
  5. Step 5: Solve for x
    x = 23,094,325,393.59/162,985.28
  6. Step 6: Final answer
    x = 141,695.78

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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.