Home / 210,935.00-316,444.82-77,815.95

Finding the Fourth Proportional to 210,935.00, 316,444.82 and 77,815.95

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Solution

The fourth proportional to 210,935.00, 316,444.82 and 77,815.95 is: 116,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,935.00 : 316,444.82 = 77,815.95 : x
  2. Step 2: Convert to fraction form
    210,935.00/316,444.82 = 77,815.95/x
  3. Step 3: Cross multiply
    210,935.00x = 316,444.82 × 77,815.95
  4. Step 4: Simplify right side
    210,935.00x = 24,624,453,901.80
  5. Step 5: Solve for x
    x = 24,624,453,901.80/210,935.00
  6. Step 6: Final answer
    x = 116,739.54

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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.