Home / 189,172.72-261,060.10-104,292.82

Finding the Fourth Proportional to 189,172.72, 261,060.10 and 104,292.82

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Solution

The fourth proportional to 189,172.72, 261,060.10 and 104,292.82 is: 143,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,172.72 : 261,060.10 = 104,292.82 : x
  2. Step 2: Convert to fraction form
    189,172.72/261,060.10 = 104,292.82/x
  3. Step 3: Cross multiply
    189,172.72x = 261,060.10 × 104,292.82
  4. Step 4: Simplify right side
    189,172.72x = 27,226,694,018.48
  5. Step 5: Solve for x
    x = 27,226,694,018.48/189,172.72
  6. Step 6: Final answer
    x = 143,925.05

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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.