Home / 152,937.51-210,968.73-142,112.79

Finding the Fourth Proportional to 152,937.51, 210,968.73 and 142,112.79

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Solution

The fourth proportional to 152,937.51, 210,968.73 and 142,112.79 is: 196,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,937.51 : 210,968.73 = 142,112.79 : x
  2. Step 2: Convert to fraction form
    152,937.51/210,968.73 = 142,112.79/x
  3. Step 3: Cross multiply
    152,937.51x = 210,968.73 × 142,112.79
  4. Step 4: Simplify right side
    152,937.51x = 29,981,354,823.06
  5. Step 5: Solve for x
    x = 29,981,354,823.06/152,937.51
  6. Step 6: Final answer
    x = 196,036.63

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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.