Home / 105,026.20-157,247.70-102,110.20

Finding the Fourth Proportional to 105,026.20, 157,247.70 and 102,110.20

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Solution

The fourth proportional to 105,026.20, 157,247.70 and 102,110.20 is: 152,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,026.20 : 157,247.70 = 102,110.20 : x
  2. Step 2: Convert to fraction form
    105,026.20/157,247.70 = 102,110.20/x
  3. Step 3: Cross multiply
    105,026.20x = 157,247.70 × 102,110.20
  4. Step 4: Simplify right side
    105,026.20x = 16,056,594,096.54
  5. Step 5: Solve for x
    x = 16,056,594,096.54/105,026.20
  6. Step 6: Final answer
    x = 152,881.80

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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.