Home / 153,929.18-230,655.62-103,812.86

Finding the Fourth Proportional to 153,929.18, 230,655.62 and 103,812.86

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Solution

The fourth proportional to 153,929.18, 230,655.62 and 103,812.86 is: 155,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,929.18 : 230,655.62 = 103,812.86 : x
  2. Step 2: Convert to fraction form
    153,929.18/230,655.62 = 103,812.86/x
  3. Step 3: Cross multiply
    153,929.18x = 230,655.62 × 103,812.86
  4. Step 4: Simplify right side
    153,929.18x = 23,945,019,587.27
  5. Step 5: Solve for x
    x = 23,945,019,587.27/153,929.18
  6. Step 6: Final answer
    x = 155,558.68

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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.