Home / 189,437.94-261,423.36-104,560.20

Finding the Fourth Proportional to 189,437.94, 261,423.36 and 104,560.20

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Solution

The fourth proportional to 189,437.94, 261,423.36 and 104,560.20 is: 144,292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,437.94 : 261,423.36 = 104,560.20 : x
  2. Step 2: Convert to fraction form
    189,437.94/261,423.36 = 104,560.20/x
  3. Step 3: Cross multiply
    189,437.94x = 261,423.36 × 104,560.20
  4. Step 4: Simplify right side
    189,437.94x = 27,334,478,806.27
  5. Step 5: Solve for x
    x = 27,334,478,806.27/189,437.94
  6. Step 6: Final answer
    x = 144,292.53

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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.