Home / 152,330.09-210,212.15-84,343.01

Finding the Fourth Proportional to 152,330.09, 210,212.15 and 84,343.01

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Solution

The fourth proportional to 152,330.09, 210,212.15 and 84,343.01 is: 116,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,330.09 : 210,212.15 = 84,343.01 : x
  2. Step 2: Convert to fraction form
    152,330.09/210,212.15 = 84,343.01/x
  3. Step 3: Cross multiply
    152,330.09x = 210,212.15 × 84,343.01
  4. Step 4: Simplify right side
    152,330.09x = 17,729,923,996.80
  5. Step 5: Solve for x
    x = 17,729,923,996.80/152,330.09
  6. Step 6: Final answer
    x = 116,391.48

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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.