Home / 156,700.70-235,051.05-149,875.10

Finding the Fourth Proportional to 156,700.70, 235,051.05 and 149,875.10

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Solution

The fourth proportional to 156,700.70, 235,051.05 and 149,875.10 is: 224,812.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,700.70 : 235,051.05 = 149,875.10 : x
  2. Step 2: Convert to fraction form
    156,700.70/235,051.05 = 149,875.10/x
  3. Step 3: Cross multiply
    156,700.70x = 235,051.05 × 149,875.10
  4. Step 4: Simplify right side
    156,700.70x = 35,228,299,623.86
  5. Step 5: Solve for x
    x = 35,228,299,623.86/156,700.70
  6. Step 6: Final answer
    x = 224,812.65

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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.