Home / 85,767.72-118,095.30-76,190.94

Finding the Fourth Proportional to 85,767.72, 118,095.30 and 76,190.94

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Solution

The fourth proportional to 85,767.72, 118,095.30 and 76,190.94 is: 104,908.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,767.72 : 118,095.30 = 76,190.94 : x
  2. Step 2: Convert to fraction form
    85,767.72/118,095.30 = 76,190.94/x
  3. Step 3: Cross multiply
    85,767.72x = 118,095.30 × 76,190.94
  4. Step 4: Simplify right side
    85,767.72x = 8,997,791,916.58
  5. Step 5: Solve for x
    x = 8,997,791,916.58/85,767.72
  6. Step 6: Final answer
    x = 104,908.84

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1.5x scale

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.