Home / 189,475.05-261,475.02-104,591.50

Finding the Fourth Proportional to 189,475.05, 261,475.02 and 104,591.50

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Solution

The fourth proportional to 189,475.05, 261,475.02 and 104,591.50 is: 144,335.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,475.05 : 261,475.02 = 104,591.50 : x
  2. Step 2: Convert to fraction form
    189,475.05/261,475.02 = 104,591.50/x
  3. Step 3: Cross multiply
    189,475.05x = 261,475.02 × 104,591.50
  4. Step 4: Simplify right side
    189,475.05x = 27,348,064,554.33
  5. Step 5: Solve for x
    x = 27,348,064,554.33/189,475.05
  6. Step 6: Final answer
    x = 144,335.97

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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.