Home / 148,630.05-205,279.83-97,869.72

Finding the Fourth Proportional to 148,630.05, 205,279.83 and 97,869.72

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Solution

The fourth proportional to 148,630.05, 205,279.83 and 97,869.72 is: 135,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,630.05 : 205,279.83 = 97,869.72 : x
  2. Step 2: Convert to fraction form
    148,630.05/205,279.83 = 97,869.72/x
  3. Step 3: Cross multiply
    148,630.05x = 205,279.83 × 97,869.72
  4. Step 4: Simplify right side
    148,630.05x = 20,090,679,483.75
  5. Step 5: Solve for x
    x = 20,090,679,483.75/148,630.05
  6. Step 6: Final answer
    x = 135,172.39

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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.