Home / 187,260.39-258,442.02-105,604.20

Finding the Fourth Proportional to 187,260.39, 258,442.02 and 105,604.20

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Solution

The fourth proportional to 187,260.39, 258,442.02 and 105,604.20 is: 145,746.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,260.39 : 258,442.02 = 105,604.20 : x
  2. Step 2: Convert to fraction form
    187,260.39/258,442.02 = 105,604.20/x
  3. Step 3: Cross multiply
    187,260.39x = 258,442.02 × 105,604.20
  4. Step 4: Simplify right side
    187,260.39x = 27,292,562,768.48
  5. Step 5: Solve for x
    x = 27,292,562,768.48/187,260.39
  6. Step 6: Final answer
    x = 145,746.59

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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.