Home / 152,938.32-211,047.74-84,959.70

Finding the Fourth Proportional to 152,938.32, 211,047.74 and 84,959.70

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Solution

The fourth proportional to 152,938.32, 211,047.74 and 84,959.70 is: 117,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,938.32 : 211,047.74 = 84,959.70 : x
  2. Step 2: Convert to fraction form
    152,938.32/211,047.74 = 84,959.70/x
  3. Step 3: Cross multiply
    152,938.32x = 211,047.74 × 84,959.70
  4. Step 4: Simplify right side
    152,938.32x = 17,930,552,676.08
  5. Step 5: Solve for x
    x = 17,930,552,676.08/152,938.32
  6. Step 6: Final answer
    x = 117,240.42

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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.