Home / 145,167.64-199,916.58-130,704.28

Finding the Fourth Proportional to 145,167.64, 199,916.58 and 130,704.28

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Solution

The fourth proportional to 145,167.64, 199,916.58 and 130,704.28 is: 179,998.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,167.64 : 199,916.58 = 130,704.28 : x
  2. Step 2: Convert to fraction form
    145,167.64/199,916.58 = 130,704.28/x
  3. Step 3: Cross multiply
    145,167.64x = 199,916.58 × 130,704.28
  4. Step 4: Simplify right side
    145,167.64x = 26,129,952,648.96
  5. Step 5: Solve for x
    x = 26,129,952,648.96/145,167.64
  6. Step 6: Final answer
    x = 179,998.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.