Home / 156,306.81-234,460.21-103,818.81

Finding the Fourth Proportional to 156,306.81, 234,460.21 and 103,818.81

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Solution

The fourth proportional to 156,306.81, 234,460.21 and 103,818.81 is: 155,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,306.81 : 234,460.21 = 103,818.81 : x
  2. Step 2: Convert to fraction form
    156,306.81/234,460.21 = 103,818.81/x
  3. Step 3: Cross multiply
    156,306.81x = 234,460.21 × 103,818.81
  4. Step 4: Simplify right side
    156,306.81x = 24,341,379,994.55
  5. Step 5: Solve for x
    x = 24,341,379,994.55/156,306.81
  6. Step 6: Final answer
    x = 155,728.21

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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.