Home / 145,054.38-200,189.43-97,406.94

Finding the Fourth Proportional to 145,054.38, 200,189.43 and 97,406.94

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Solution

The fourth proportional to 145,054.38, 200,189.43 and 97,406.94 is: 134,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,054.38 : 200,189.43 = 97,406.94 : x
  2. Step 2: Convert to fraction form
    145,054.38/200,189.43 = 97,406.94/x
  3. Step 3: Cross multiply
    145,054.38x = 200,189.43 × 97,406.94
  4. Step 4: Simplify right side
    145,054.38x = 19,499,839,796.64
  5. Step 5: Solve for x
    x = 19,499,839,796.64/145,054.38
  6. Step 6: Final answer
    x = 134,431.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.