Home / 156,913.14-235,295.76-57,002.88

Finding the Fourth Proportional to 156,913.14, 235,295.76 and 57,002.88

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Solution

The fourth proportional to 156,913.14, 235,295.76 and 57,002.88 is: 85,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,913.14 : 235,295.76 = 57,002.88 : x
  2. Step 2: Convert to fraction form
    156,913.14/235,295.76 = 57,002.88/x
  3. Step 3: Cross multiply
    156,913.14x = 235,295.76 × 57,002.88
  4. Step 4: Simplify right side
    156,913.14x = 13,412,535,971.79
  5. Step 5: Solve for x
    x = 13,412,535,971.79/156,913.14
  6. Step 6: Final answer
    x = 85,477.46

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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.