Home / 110,740.32-166,230.84-102,779.64

Finding the Fourth Proportional to 110,740.32, 166,230.84 and 102,779.64

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Solution

The fourth proportional to 110,740.32, 166,230.84 and 102,779.64 is: 154,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,740.32 : 166,230.84 = 102,779.64 : x
  2. Step 2: Convert to fraction form
    110,740.32/166,230.84 = 102,779.64/x
  3. Step 3: Cross multiply
    110,740.32x = 166,230.84 × 102,779.64
  4. Step 4: Simplify right side
    110,740.32x = 17,085,145,892.10
  5. Step 5: Solve for x
    x = 17,085,145,892.10/110,740.32
  6. Step 6: Final answer
    x = 154,281.17

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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.