Home / 170,155.72-255,214.12-45,506.44

Finding the Fourth Proportional to 170,155.72, 255,214.12 and 45,506.44

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Solution

The fourth proportional to 170,155.72, 255,214.12 and 45,506.44 is: 68,254.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,155.72 : 255,214.12 = 45,506.44 : x
  2. Step 2: Convert to fraction form
    170,155.72/255,214.12 = 45,506.44/x
  3. Step 3: Cross multiply
    170,155.72x = 255,214.12 × 45,506.44
  4. Step 4: Simplify right side
    170,155.72x = 11,613,886,038.93
  5. Step 5: Solve for x
    x = 11,613,886,038.93/170,155.72
  6. Step 6: Final answer
    x = 68,254.46

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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.