Home / 145,166.97-217,665.69-56,316.66

Finding the Fourth Proportional to 145,166.97, 217,665.69 and 56,316.66

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Solution

The fourth proportional to 145,166.97, 217,665.69 and 56,316.66 is: 84,442.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,166.97 : 217,665.69 = 56,316.66 : x
  2. Step 2: Convert to fraction form
    145,166.97/217,665.69 = 56,316.66/x
  3. Step 3: Cross multiply
    145,166.97x = 217,665.69 × 56,316.66
  4. Step 4: Simplify right side
    145,166.97x = 12,258,204,657.40
  5. Step 5: Solve for x
    x = 12,258,204,657.40/145,166.97
  6. Step 6: Final answer
    x = 84,442.11

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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.