Home / 197,402.01-272,289.36-129,423.39

Finding the Fourth Proportional to 197,402.01, 272,289.36 and 129,423.39

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Solution

The fourth proportional to 197,402.01, 272,289.36 and 129,423.39 is: 178,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,402.01 : 272,289.36 = 129,423.39 : x
  2. Step 2: Convert to fraction form
    197,402.01/272,289.36 = 129,423.39/x
  3. Step 3: Cross multiply
    197,402.01x = 272,289.36 × 129,423.39
  4. Step 4: Simplify right side
    197,402.01x = 35,240,611,496.38
  5. Step 5: Solve for x
    x = 35,240,611,496.38/197,402.01
  6. Step 6: Final answer
    x = 178,522.05

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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.