Home / 210,852.50-316,202.60-84,521.66

Finding the Fourth Proportional to 210,852.50, 316,202.60 and 84,521.66

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Solution

The fourth proportional to 210,852.50, 316,202.60 and 84,521.66 is: 126,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,852.50 : 316,202.60 = 84,521.66 : x
  2. Step 2: Convert to fraction form
    210,852.50/316,202.60 = 84,521.66/x
  3. Step 3: Cross multiply
    210,852.50x = 316,202.60 × 84,521.66
  4. Step 4: Simplify right side
    210,852.50x = 26,725,968,648.32
  5. Step 5: Solve for x
    x = 26,725,968,648.32/210,852.50
  6. Step 6: Final answer
    x = 126,751.96

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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.