Home / 152,387.31-210,292.17-83,476.22

Finding the Fourth Proportional to 152,387.31, 210,292.17 and 83,476.22

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Solution

The fourth proportional to 152,387.31, 210,292.17 and 83,476.22 is: 115,195.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,387.31 : 210,292.17 = 83,476.22 : x
  2. Step 2: Convert to fraction form
    152,387.31/210,292.17 = 83,476.22/x
  3. Step 3: Cross multiply
    152,387.31x = 210,292.17 × 83,476.22
  4. Step 4: Simplify right side
    152,387.31x = 17,554,394,504.09
  5. Step 5: Solve for x
    x = 17,554,394,504.09/152,387.31
  6. Step 6: Final answer
    x = 115,195.91

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1.5x scale

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.