Home / 156,520.95-234,679.36-103,051.07

Finding the Fourth Proportional to 156,520.95, 234,679.36 and 103,051.07

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Solution

The fourth proportional to 156,520.95, 234,679.36 and 103,051.07 is: 154,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,520.95 : 234,679.36 = 103,051.07 : x
  2. Step 2: Convert to fraction form
    156,520.95/234,679.36 = 103,051.07/x
  3. Step 3: Cross multiply
    156,520.95x = 234,679.36 × 103,051.07
  4. Step 4: Simplify right side
    156,520.95x = 24,183,959,154.92
  5. Step 5: Solve for x
    x = 24,183,959,154.92/156,520.95
  6. Step 6: Final answer
    x = 154,509.41

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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.