Home / 158,498.25-238,043.54-139,529.61

Finding the Fourth Proportional to 158,498.25, 238,043.54 and 139,529.61

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Solution

The fourth proportional to 158,498.25, 238,043.54 and 139,529.61 is: 209,555.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,498.25 : 238,043.54 = 139,529.61 : x
  2. Step 2: Convert to fraction form
    158,498.25/238,043.54 = 139,529.61/x
  3. Step 3: Cross multiply
    158,498.25x = 238,043.54 × 139,529.61
  4. Step 4: Simplify right side
    158,498.25x = 33,214,121,601.57
  5. Step 5: Solve for x
    x = 33,214,121,601.57/158,498.25
  6. Step 6: Final answer
    x = 209,555.13

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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.