Home / 152,883.52-210,905.67-99,185.38

Finding the Fourth Proportional to 152,883.52, 210,905.67 and 99,185.38

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Solution

The fourth proportional to 152,883.52, 210,905.67 and 99,185.38 is: 136,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,883.52 : 210,905.67 = 99,185.38 : x
  2. Step 2: Convert to fraction form
    152,883.52/210,905.67 = 99,185.38/x
  3. Step 3: Cross multiply
    152,883.52x = 210,905.67 × 99,185.38
  4. Step 4: Simplify right side
    152,883.52x = 20,918,758,867.79
  5. Step 5: Solve for x
    x = 20,918,758,867.79/152,883.52
  6. Step 6: Final answer
    x = 136,828.08

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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.