Home / 152,948.56-211,074.92-84,970.64

Finding the Fourth Proportional to 152,948.56, 211,074.92 and 84,970.64

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Solution

The fourth proportional to 152,948.56, 211,074.92 and 84,970.64 is: 117,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,948.56 : 211,074.92 = 84,970.64 : x
  2. Step 2: Convert to fraction form
    152,948.56/211,074.92 = 84,970.64/x
  3. Step 3: Cross multiply
    152,948.56x = 211,074.92 × 84,970.64
  4. Step 4: Simplify right side
    152,948.56x = 17,935,171,040.35
  5. Step 5: Solve for x
    x = 17,935,171,040.35/152,948.56
  6. Step 6: Final answer
    x = 117,262.76

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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.