Home / 145,351.44-217,938.06-56,501.28

Finding the Fourth Proportional to 145,351.44, 217,938.06 and 56,501.28

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Solution

The fourth proportional to 145,351.44, 217,938.06 and 56,501.28 is: 84,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,351.44 : 217,938.06 = 56,501.28 : x
  2. Step 2: Convert to fraction form
    145,351.44/217,938.06 = 56,501.28/x
  3. Step 3: Cross multiply
    145,351.44x = 217,938.06 × 56,501.28
  4. Step 4: Simplify right side
    145,351.44x = 12,313,779,350.72
  5. Step 5: Solve for x
    x = 12,313,779,350.72/145,351.44
  6. Step 6: Final answer
    x = 84,717.28

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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.