Home / 156,775.96-235,102.38-56,919.16

Finding the Fourth Proportional to 156,775.96, 235,102.38 and 56,919.16

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Solution

The fourth proportional to 156,775.96, 235,102.38 and 56,919.16 is: 85,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,775.96 : 235,102.38 = 56,919.16 : x
  2. Step 2: Convert to fraction form
    156,775.96/235,102.38 = 56,919.16/x
  3. Step 3: Cross multiply
    156,775.96x = 235,102.38 × 56,919.16
  4. Step 4: Simplify right side
    156,775.96x = 13,381,829,983.60
  5. Step 5: Solve for x
    x = 13,381,829,983.60/156,775.96
  6. Step 6: Final answer
    x = 85,356.39

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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.