Home / 210,121.02-289,927.35-125,245.98

Finding the Fourth Proportional to 210,121.02, 289,927.35 and 125,245.98

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Solution

The fourth proportional to 210,121.02, 289,927.35 and 125,245.98 is: 172,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,121.02 : 289,927.35 = 125,245.98 : x
  2. Step 2: Convert to fraction form
    210,121.02/289,927.35 = 125,245.98/x
  3. Step 3: Cross multiply
    210,121.02x = 289,927.35 × 125,245.98
  4. Step 4: Simplify right side
    210,121.02x = 36,312,235,079.55
  5. Step 5: Solve for x
    x = 36,312,235,079.55/210,121.02
  6. Step 6: Final answer
    x = 172,815.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.