Home / 109,435.12-164,152.86-62,655.64

Finding the Fourth Proportional to 109,435.12, 164,152.86 and 62,655.64

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Solution

The fourth proportional to 109,435.12, 164,152.86 and 62,655.64 is: 93,983.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,435.12 : 164,152.86 = 62,655.64 : x
  2. Step 2: Convert to fraction form
    109,435.12/164,152.86 = 62,655.64/x
  3. Step 3: Cross multiply
    109,435.12x = 164,152.86 × 62,655.64
  4. Step 4: Simplify right side
    109,435.12x = 10,285,102,501.13
  5. Step 5: Solve for x
    x = 10,285,102,501.13/109,435.12
  6. Step 6: Final answer
    x = 93,983.56

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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.