Home / 112,711.37-169,135.76-58,681.54

Finding the Fourth Proportional to 112,711.37, 169,135.76 and 58,681.54

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Solution

The fourth proportional to 112,711.37, 169,135.76 and 58,681.54 is: 88,058.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,711.37 : 169,135.76 = 58,681.54 : x
  2. Step 2: Convert to fraction form
    112,711.37/169,135.76 = 58,681.54/x
  3. Step 3: Cross multiply
    112,711.37x = 169,135.76 × 58,681.54
  4. Step 4: Simplify right side
    112,711.37x = 9,925,146,865.87
  5. Step 5: Solve for x
    x = 9,925,146,865.87/112,711.37
  6. Step 6: Final answer
    x = 88,058.08

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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.