Home / 210,973.44-316,584.64-77,947.84

Finding the Fourth Proportional to 210,973.44, 316,584.64 and 77,947.84

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Solution

The fourth proportional to 210,973.44, 316,584.64 and 77,947.84 is: 116,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,973.44 : 316,584.64 = 77,947.84 : x
  2. Step 2: Convert to fraction form
    210,973.44/316,584.64 = 77,947.84/x
  3. Step 3: Cross multiply
    210,973.44x = 316,584.64 × 77,947.84
  4. Step 4: Simplify right side
    210,973.44x = 24,677,088,865.18
  5. Step 5: Solve for x
    x = 24,677,088,865.18/210,973.44
  6. Step 6: Final answer
    x = 116,967.75

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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.