Home / 156,117.53-234,184.59-49,509.89

Finding the Fourth Proportional to 156,117.53, 234,184.59 and 49,509.89

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Solution

The fourth proportional to 156,117.53, 234,184.59 and 49,509.89 is: 74,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,117.53 : 234,184.59 = 49,509.89 : x
  2. Step 2: Convert to fraction form
    156,117.53/234,184.59 = 49,509.89/x
  3. Step 3: Cross multiply
    156,117.53x = 234,184.59 × 49,509.89
  4. Step 4: Simplify right side
    156,117.53x = 11,594,452,997.86
  5. Step 5: Solve for x
    x = 11,594,452,997.86/156,117.53
  6. Step 6: Final answer
    x = 74,267.46

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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.