Home / 156,056.70-234,085.05-140,310.30

Finding the Fourth Proportional to 156,056.70, 234,085.05 and 140,310.30

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Solution

The fourth proportional to 156,056.70, 234,085.05 and 140,310.30 is: 210,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,056.70 : 234,085.05 = 140,310.30 : x
  2. Step 2: Convert to fraction form
    156,056.70/234,085.05 = 140,310.30/x
  3. Step 3: Cross multiply
    156,056.70x = 234,085.05 × 140,310.30
  4. Step 4: Simplify right side
    156,056.70x = 32,844,543,591.02
  5. Step 5: Solve for x
    x = 32,844,543,591.02/156,056.70
  6. Step 6: Final answer
    x = 210,465.45

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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.