Home / 162,719.16-224,546.20-89,130.41

Finding the Fourth Proportional to 162,719.16, 224,546.20 and 89,130.41

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Solution

The fourth proportional to 162,719.16, 224,546.20 and 89,130.41 is: 122,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,719.16 : 224,546.20 = 89,130.41 : x
  2. Step 2: Convert to fraction form
    162,719.16/224,546.20 = 89,130.41/x
  3. Step 3: Cross multiply
    162,719.16x = 224,546.20 × 89,130.41
  4. Step 4: Simplify right side
    162,719.16x = 20,013,894,869.94
  5. Step 5: Solve for x
    x = 20,013,894,869.94/162,719.16
  6. Step 6: Final answer
    x = 122,996.55

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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.