Home / 98,818.64-148,072.63-76,384.23

Finding the Fourth Proportional to 98,818.64, 148,072.63 and 76,384.23

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Solution

The fourth proportional to 98,818.64, 148,072.63 and 76,384.23 is: 114,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,818.64 : 148,072.63 = 76,384.23 : x
  2. Step 2: Convert to fraction form
    98,818.64/148,072.63 = 76,384.23/x
  3. Step 3: Cross multiply
    98,818.64x = 148,072.63 × 76,384.23
  4. Step 4: Simplify right side
    98,818.64x = 11,310,413,826.62
  5. Step 5: Solve for x
    x = 11,310,413,826.62/98,818.64
  6. Step 6: Final answer
    x = 114,456.28

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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.