Home / 210,824.80-316,237.20-105,848.80

Finding the Fourth Proportional to 210,824.80, 316,237.20 and 105,848.80

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Solution

The fourth proportional to 210,824.80, 316,237.20 and 105,848.80 is: 158,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,824.80 : 316,237.20 = 105,848.80 : x
  2. Step 2: Convert to fraction form
    210,824.80/316,237.20 = 105,848.80/x
  3. Step 3: Cross multiply
    210,824.80x = 316,237.20 × 105,848.80
  4. Step 4: Simplify right side
    210,824.80x = 33,473,328,135.36
  5. Step 5: Solve for x
    x = 33,473,328,135.36/210,824.80
  6. Step 6: Final answer
    x = 158,773.20

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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.