Home / 122,400.72-183,581.64-47,555.10

Finding the Fourth Proportional to 122,400.72, 183,581.64 and 47,555.10

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Solution

The fourth proportional to 122,400.72, 183,581.64 and 47,555.10 is: 71,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,400.72 : 183,581.64 = 47,555.10 : x
  2. Step 2: Convert to fraction form
    122,400.72/183,581.64 = 47,555.10/x
  3. Step 3: Cross multiply
    122,400.72x = 183,581.64 × 47,555.10
  4. Step 4: Simplify right side
    122,400.72x = 8,730,243,248.36
  5. Step 5: Solve for x
    x = 8,730,243,248.36/122,400.72
  6. Step 6: Final answer
    x = 71,325.10

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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.