Home / 151,301.46-208,795.14-87,637.98

Finding the Fourth Proportional to 151,301.46, 208,795.14 and 87,637.98

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Solution

The fourth proportional to 151,301.46, 208,795.14 and 87,637.98 is: 120,939.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,301.46 : 208,795.14 = 87,637.98 : x
  2. Step 2: Convert to fraction form
    151,301.46/208,795.14 = 87,637.98/x
  3. Step 3: Cross multiply
    151,301.46x = 208,795.14 × 87,637.98
  4. Step 4: Simplify right side
    151,301.46x = 18,298,384,303.42
  5. Step 5: Solve for x
    x = 18,298,384,303.42/151,301.46
  6. Step 6: Final answer
    x = 120,939.91

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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.