Home / 210,836.04-316,296.39-77,716.98

Finding the Fourth Proportional to 210,836.04, 316,296.39 and 77,716.98

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Solution

The fourth proportional to 210,836.04, 316,296.39 and 77,716.98 is: 116,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,836.04 : 316,296.39 = 77,716.98 : x
  2. Step 2: Convert to fraction form
    210,836.04/316,296.39 = 77,716.98/x
  3. Step 3: Cross multiply
    210,836.04x = 316,296.39 × 77,716.98
  4. Step 4: Simplify right side
    210,836.04x = 24,581,600,215.70
  5. Step 5: Solve for x
    x = 24,581,600,215.70/210,836.04
  6. Step 6: Final answer
    x = 116,591.07

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1.5x scale

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.