Home / 152,719.07-210,777.60-84,757.87

Finding the Fourth Proportional to 152,719.07, 210,777.60 and 84,757.87

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Solution

The fourth proportional to 152,719.07, 210,777.60 and 84,757.87 is: 116,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,719.07 : 210,777.60 = 84,757.87 : x
  2. Step 2: Convert to fraction form
    152,719.07/210,777.60 = 84,757.87/x
  3. Step 3: Cross multiply
    152,719.07x = 210,777.60 × 84,757.87
  4. Step 4: Simplify right side
    152,719.07x = 17,865,060,419.71
  5. Step 5: Solve for x
    x = 17,865,060,419.71/152,719.07
  6. Step 6: Final answer
    x = 116,979.89

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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.