Home / 156,461.61-234,710.75-49,808.21

Finding the Fourth Proportional to 156,461.61, 234,710.75 and 49,808.21

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Solution

The fourth proportional to 156,461.61, 234,710.75 and 49,808.21 is: 74,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,461.61 : 234,710.75 = 49,808.21 : x
  2. Step 2: Convert to fraction form
    156,461.61/234,710.75 = 49,808.21/x
  3. Step 3: Cross multiply
    156,461.61x = 234,710.75 × 49,808.21
  4. Step 4: Simplify right side
    156,461.61x = 11,690,520,902.66
  5. Step 5: Solve for x
    x = 11,690,520,902.66/156,461.61
  6. Step 6: Final answer
    x = 74,718.14

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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.