Home / 170,438.16-255,374.76-103,676.40

Finding the Fourth Proportional to 170,438.16, 255,374.76 and 103,676.40

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Solution

The fourth proportional to 170,438.16, 255,374.76 and 103,676.40 is: 155,342.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,438.16 : 255,374.76 = 103,676.40 : x
  2. Step 2: Convert to fraction form
    170,438.16/255,374.76 = 103,676.40/x
  3. Step 3: Cross multiply
    170,438.16x = 255,374.76 × 103,676.40
  4. Step 4: Simplify right side
    170,438.16x = 26,476,335,767.66
  5. Step 5: Solve for x
    x = 26,476,335,767.66/170,438.16
  6. Step 6: Final answer
    x = 155,342.77

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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.