Home / 137,389.23-189,591.93-76,956.93

Finding the Fourth Proportional to 137,389.23, 189,591.93 and 76,956.93

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Solution

The fourth proportional to 137,389.23, 189,591.93 and 76,956.93 is: 106,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,389.23 : 189,591.93 = 76,956.93 : x
  2. Step 2: Convert to fraction form
    137,389.23/189,591.93 = 76,956.93/x
  3. Step 3: Cross multiply
    137,389.23x = 189,591.93 × 76,956.93
  4. Step 4: Simplify right side
    137,389.23x = 14,590,412,885.57
  5. Step 5: Solve for x
    x = 14,590,412,885.57/137,389.23
  6. Step 6: Final answer
    x = 106,197.65

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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.