Home / 212,782.19-293,630.59-115,983.91

Finding the Fourth Proportional to 212,782.19, 293,630.59 and 115,983.91

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Solution

The fourth proportional to 212,782.19, 293,630.59 and 115,983.91 is: 160,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,782.19 : 293,630.59 = 115,983.91 : x
  2. Step 2: Convert to fraction form
    212,782.19/293,630.59 = 115,983.91/x
  3. Step 3: Cross multiply
    212,782.19x = 293,630.59 × 115,983.91
  4. Step 4: Simplify right side
    212,782.19x = 34,056,423,923.81
  5. Step 5: Solve for x
    x = 34,056,423,923.81/212,782.19
  6. Step 6: Final answer
    x = 160,052.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.