Home / 76,054.60-114,073.18-19,900.13

Finding the Fourth Proportional to 76,054.60, 114,073.18 and 19,900.13

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Solution

The fourth proportional to 76,054.60, 114,073.18 and 19,900.13 is: 29,847.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,054.60 : 114,073.18 = 19,900.13 : x
  2. Step 2: Convert to fraction form
    76,054.60/114,073.18 = 19,900.13/x
  3. Step 3: Cross multiply
    76,054.60x = 114,073.18 × 19,900.13
  4. Step 4: Simplify right side
    76,054.60x = 2,270,071,111.51
  5. Step 5: Solve for x
    x = 2,270,071,111.51/76,054.60
  6. Step 6: Final answer
    x = 29,847.91

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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.