Home / 159,533.20-239,243.10-70,627.60

Finding the Fourth Proportional to 159,533.20, 239,243.10 and 70,627.60

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Solution

The fourth proportional to 159,533.20, 239,243.10 and 70,627.60 is: 105,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,533.20 : 239,243.10 = 70,627.60 : x
  2. Step 2: Convert to fraction form
    159,533.20/239,243.10 = 70,627.60/x
  3. Step 3: Cross multiply
    159,533.20x = 239,243.10 × 70,627.60
  4. Step 4: Simplify right side
    159,533.20x = 16,897,165,969.56
  5. Step 5: Solve for x
    x = 16,897,165,969.56/159,533.20
  6. Step 6: Final answer
    x = 105,916.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.