Home / 156,030.25-233,904.88-56,120.21

Finding the Fourth Proportional to 156,030.25, 233,904.88 and 56,120.21

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Solution

The fourth proportional to 156,030.25, 233,904.88 and 56,120.21 is: 84,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,030.25 : 233,904.88 = 56,120.21 : x
  2. Step 2: Convert to fraction form
    156,030.25/233,904.88 = 56,120.21/x
  3. Step 3: Cross multiply
    156,030.25x = 233,904.88 × 56,120.21
  4. Step 4: Simplify right side
    156,030.25x = 13,126,790,985.62
  5. Step 5: Solve for x
    x = 13,126,790,985.62/156,030.25
  6. Step 6: Final answer
    x = 84,129.79

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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.