Home / 142,835.16-214,185.59-52,815.68

Finding the Fourth Proportional to 142,835.16, 214,185.59 and 52,815.68

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Solution

The fourth proportional to 142,835.16, 214,185.59 and 52,815.68 is: 79,198.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,835.16 : 214,185.59 = 52,815.68 : x
  2. Step 2: Convert to fraction form
    142,835.16/214,185.59 = 52,815.68/x
  3. Step 3: Cross multiply
    142,835.16x = 214,185.59 × 52,815.68
  4. Step 4: Simplify right side
    142,835.16x = 11,312,356,247.04
  5. Step 5: Solve for x
    x = 11,312,356,247.04/142,835.16
  6. Step 6: Final answer
    x = 79,198.68

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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.