Home / 105,014.79-157,521.87-26,129.01

Finding the Fourth Proportional to 105,014.79, 157,521.87 and 26,129.01

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Solution

The fourth proportional to 105,014.79, 157,521.87 and 26,129.01 is: 39,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,014.79 : 157,521.87 = 26,129.01 : x
  2. Step 2: Convert to fraction form
    105,014.79/157,521.87 = 26,129.01/x
  3. Step 3: Cross multiply
    105,014.79x = 157,521.87 × 26,129.01
  4. Step 4: Simplify right side
    105,014.79x = 4,115,890,516.45
  5. Step 5: Solve for x
    x = 4,115,890,516.45/105,014.79
  6. Step 6: Final answer
    x = 39,193.44

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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.