Home / 152,932.32-211,039.47-84,953.70

Finding the Fourth Proportional to 152,932.32, 211,039.47 and 84,953.70

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Solution

The fourth proportional to 152,932.32, 211,039.47 and 84,953.70 is: 117,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,932.32 : 211,039.47 = 84,953.70 : x
  2. Step 2: Convert to fraction form
    152,932.32/211,039.47 = 84,953.70/x
  3. Step 3: Cross multiply
    152,932.32x = 211,039.47 × 84,953.70
  4. Step 4: Simplify right side
    152,932.32x = 17,928,583,822.54
  5. Step 5: Solve for x
    x = 17,928,583,822.54/152,932.32
  6. Step 6: Final answer
    x = 117,232.14

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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.