Home / 77,160.65-115,635.83-37,176.76

Finding the Fourth Proportional to 77,160.65, 115,635.83 and 37,176.76

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Solution

The fourth proportional to 77,160.65, 115,635.83 and 37,176.76 is: 55,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,160.65 : 115,635.83 = 37,176.76 : x
  2. Step 2: Convert to fraction form
    77,160.65/115,635.83 = 37,176.76/x
  3. Step 3: Cross multiply
    77,160.65x = 115,635.83 × 37,176.76
  4. Step 4: Simplify right side
    77,160.65x = 4,298,965,024.34
  5. Step 5: Solve for x
    x = 4,298,965,024.34/77,160.65
  6. Step 6: Final answer
    x = 55,714.47

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1.5x scale

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.