Home / 156,025.80-234,038.70-102,881.70

Finding the Fourth Proportional to 156,025.80, 234,038.70 and 102,881.70

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Solution

The fourth proportional to 156,025.80, 234,038.70 and 102,881.70 is: 154,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,025.80 : 234,038.70 = 102,881.70 : x
  2. Step 2: Convert to fraction form
    156,025.80/234,038.70 = 102,881.70/x
  3. Step 3: Cross multiply
    156,025.80x = 234,038.70 × 102,881.70
  4. Step 4: Simplify right side
    156,025.80x = 24,078,299,321.79
  5. Step 5: Solve for x
    x = 24,078,299,321.79/156,025.80
  6. Step 6: Final answer
    x = 154,322.55

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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.