Home / 95,120.40-142,638.51-28,547.73

Finding the Fourth Proportional to 95,120.40, 142,638.51 and 28,547.73

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Solution

The fourth proportional to 95,120.40, 142,638.51 and 28,547.73 is: 42,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,120.40 : 142,638.51 = 28,547.73 : x
  2. Step 2: Convert to fraction form
    95,120.40/142,638.51 = 28,547.73/x
  3. Step 3: Cross multiply
    95,120.40x = 142,638.51 × 28,547.73
  4. Step 4: Simplify right side
    95,120.40x = 4,072,005,671.08
  5. Step 5: Solve for x
    x = 4,072,005,671.08/95,120.40
  6. Step 6: Final answer
    x = 42,808.96

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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.