Home / 156,738.40-235,124.04-51,565.60

Finding the Fourth Proportional to 156,738.40, 235,124.04 and 51,565.60

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Solution

The fourth proportional to 156,738.40, 235,124.04 and 51,565.60 is: 77,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,738.40 : 235,124.04 = 51,565.60 : x
  2. Step 2: Convert to fraction form
    156,738.40/235,124.04 = 51,565.60/x
  3. Step 3: Cross multiply
    156,738.40x = 235,124.04 × 51,565.60
  4. Step 4: Simplify right side
    156,738.40x = 12,124,312,197.02
  5. Step 5: Solve for x
    x = 12,124,312,197.02/156,738.40
  6. Step 6: Final answer
    x = 77,353.81

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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.