Home / 94,409.18-130,297.11-56,685.86

Finding the Fourth Proportional to 94,409.18, 130,297.11 and 56,685.86

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Solution

The fourth proportional to 94,409.18, 130,297.11 and 56,685.86 is: 78,233.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,409.18 : 130,297.11 = 56,685.86 : x
  2. Step 2: Convert to fraction form
    94,409.18/130,297.11 = 56,685.86/x
  3. Step 3: Cross multiply
    94,409.18x = 130,297.11 × 56,685.86
  4. Step 4: Simplify right side
    94,409.18x = 7,386,003,735.86
  5. Step 5: Solve for x
    x = 7,386,003,735.86/94,409.18
  6. Step 6: Final answer
    x = 78,233.96

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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.