Home / 231,927.08-347,989.64-98,870.00

Finding the Fourth Proportional to 231,927.08, 347,989.64 and 98,870.00

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Solution

The fourth proportional to 231,927.08, 347,989.64 and 98,870.00 is: 148,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,927.08 : 347,989.64 = 98,870.00 : x
  2. Step 2: Convert to fraction form
    231,927.08/347,989.64 = 98,870.00/x
  3. Step 3: Cross multiply
    231,927.08x = 347,989.64 × 98,870.00
  4. Step 4: Simplify right side
    231,927.08x = 34,405,733,472.50
  5. Step 5: Solve for x
    x = 34,405,733,472.50/231,927.08
  6. Step 6: Final answer
    x = 148,347.21

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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.