Home / 189,430.02-261,402.39-104,546.88

Finding the Fourth Proportional to 189,430.02, 261,402.39 and 104,546.88

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Solution

The fourth proportional to 189,430.02, 261,402.39 and 104,546.88 is: 144,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,430.02 : 261,402.39 = 104,546.88 : x
  2. Step 2: Convert to fraction form
    189,430.02/261,402.39 = 104,546.88/x
  3. Step 3: Cross multiply
    189,430.02x = 261,402.39 × 104,546.88
  4. Step 4: Simplify right side
    189,430.02x = 27,328,804,299.04
  5. Step 5: Solve for x
    x = 27,328,804,299.04/189,430.02
  6. Step 6: Final answer
    x = 144,268.60

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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.