Home / 145,166.96-217,665.70-56,316.65

Finding the Fourth Proportional to 145,166.96, 217,665.70 and 56,316.65

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Solution

The fourth proportional to 145,166.96, 217,665.70 and 56,316.65 is: 84,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,166.96 : 217,665.70 = 56,316.65 : x
  2. Step 2: Convert to fraction form
    145,166.96/217,665.70 = 56,316.65/x
  3. Step 3: Cross multiply
    145,166.96x = 217,665.70 × 56,316.65
  4. Step 4: Simplify right side
    145,166.96x = 12,258,201,814.78
  5. Step 5: Solve for x
    x = 12,258,201,814.78/145,166.96
  6. Step 6: Final answer
    x = 84,442.09

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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.