Home / 142,108.24-213,117.94-47,316.28

Finding the Fourth Proportional to 142,108.24, 213,117.94 and 47,316.28

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Solution

The fourth proportional to 142,108.24, 213,117.94 and 47,316.28 is: 70,959.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,108.24 : 213,117.94 = 47,316.28 : x
  2. Step 2: Convert to fraction form
    142,108.24/213,117.94 = 47,316.28/x
  3. Step 3: Cross multiply
    142,108.24x = 213,117.94 × 47,316.28
  4. Step 4: Simplify right side
    142,108.24x = 10,083,948,122.06
  5. Step 5: Solve for x
    x = 10,083,948,122.06/142,108.24
  6. Step 6: Final answer
    x = 70,959.63

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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.