Home / 143,393.49-215,117.37-47,336.13

Finding the Fourth Proportional to 143,393.49, 215,117.37 and 47,336.13

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Solution

The fourth proportional to 143,393.49, 215,117.37 and 47,336.13 is: 71,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,393.49 : 215,117.37 = 47,336.13 : x
  2. Step 2: Convert to fraction form
    143,393.49/215,117.37 = 47,336.13/x
  3. Step 3: Cross multiply
    143,393.49x = 215,117.37 × 47,336.13
  4. Step 4: Simplify right side
    143,393.49x = 10,182,823,791.58
  5. Step 5: Solve for x
    x = 10,182,823,791.58/143,393.49
  6. Step 6: Final answer
    x = 71,013.15

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1.5x scale

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.