Home / 208,163.04-312,253.20-66,005.16

Finding the Fourth Proportional to 208,163.04, 312,253.20 and 66,005.16

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Solution

The fourth proportional to 208,163.04, 312,253.20 and 66,005.16 is: 99,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,163.04 : 312,253.20 = 66,005.16 : x
  2. Step 2: Convert to fraction form
    208,163.04/312,253.20 = 66,005.16/x
  3. Step 3: Cross multiply
    208,163.04x = 312,253.20 × 66,005.16
  4. Step 4: Simplify right side
    208,163.04x = 20,610,322,426.51
  5. Step 5: Solve for x
    x = 20,610,322,426.51/208,163.04
  6. Step 6: Final answer
    x = 99,010.48

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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.