Home / 187,453.39-258,685.65-102,570.43

Finding the Fourth Proportional to 187,453.39, 258,685.65 and 102,570.43

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Solution

The fourth proportional to 187,453.39, 258,685.65 and 102,570.43 is: 141,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,453.39 : 258,685.65 = 102,570.43 : x
  2. Step 2: Convert to fraction form
    187,453.39/258,685.65 = 102,570.43/x
  3. Step 3: Cross multiply
    187,453.39x = 258,685.65 × 102,570.43
  4. Step 4: Simplify right side
    187,453.39x = 26,533,498,355.33
  5. Step 5: Solve for x
    x = 26,533,498,355.33/187,453.39
  6. Step 6: Final answer
    x = 141,547.18

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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.