Home / 156,985.62-235,162.79-72,627.36

Finding the Fourth Proportional to 156,985.62, 235,162.79 and 72,627.36

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Solution

The fourth proportional to 156,985.62, 235,162.79 and 72,627.36 is: 108,795.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.62 : 235,162.79 = 72,627.36 : x
  2. Step 2: Convert to fraction form
    156,985.62/235,162.79 = 72,627.36/x
  3. Step 3: Cross multiply
    156,985.62x = 235,162.79 × 72,627.36
  4. Step 4: Simplify right side
    156,985.62x = 17,079,252,607.93
  5. Step 5: Solve for x
    x = 17,079,252,607.93/156,985.62
  6. Step 6: Final answer
    x = 108,795.01

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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.