Home / 137,346.63-189,522.34-79,998.52

Finding the Fourth Proportional to 137,346.63, 189,522.34 and 79,998.52

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Solution

The fourth proportional to 137,346.63, 189,522.34 and 79,998.52 is: 110,388.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,346.63 : 189,522.34 = 79,998.52 : x
  2. Step 2: Convert to fraction form
    137,346.63/189,522.34 = 79,998.52/x
  3. Step 3: Cross multiply
    137,346.63x = 189,522.34 × 79,998.52
  4. Step 4: Simplify right side
    137,346.63x = 15,161,506,706.94
  5. Step 5: Solve for x
    x = 15,161,506,706.94/137,346.63
  6. Step 6: Final answer
    x = 110,388.63

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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.