Home / 159,336.47-239,045.71-47,012.15

Finding the Fourth Proportional to 159,336.47, 239,045.71 and 47,012.15

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Solution

The fourth proportional to 159,336.47, 239,045.71 and 47,012.15 is: 70,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,336.47 : 239,045.71 = 47,012.15 : x
  2. Step 2: Convert to fraction form
    159,336.47/239,045.71 = 47,012.15/x
  3. Step 3: Cross multiply
    159,336.47x = 239,045.71 × 47,012.15
  4. Step 4: Simplify right side
    159,336.47x = 11,238,051,462.62
  5. Step 5: Solve for x
    x = 11,238,051,462.62/159,336.47
  6. Step 6: Final answer
    x = 70,530.32

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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.