Home / 156,064.42-234,103.29-61,315.12

Finding the Fourth Proportional to 156,064.42, 234,103.29 and 61,315.12

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Solution

The fourth proportional to 156,064.42, 234,103.29 and 61,315.12 is: 91,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,064.42 : 234,103.29 = 61,315.12 : x
  2. Step 2: Convert to fraction form
    156,064.42/234,103.29 = 61,315.12/x
  3. Step 3: Cross multiply
    156,064.42x = 234,103.29 × 61,315.12
  4. Step 4: Simplify right side
    156,064.42x = 14,354,071,318.74
  5. Step 5: Solve for x
    x = 14,354,071,318.74/156,064.42
  6. Step 6: Final answer
    x = 91,975.30

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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.