Home / 187,308.06-258,485.10-102,425.10

Finding the Fourth Proportional to 187,308.06, 258,485.10 and 102,425.10

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Solution

The fourth proportional to 187,308.06, 258,485.10 and 102,425.10 is: 141,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,308.06 : 258,485.10 = 102,425.10 : x
  2. Step 2: Convert to fraction form
    187,308.06/258,485.10 = 102,425.10/x
  3. Step 3: Cross multiply
    187,308.06x = 258,485.10 × 102,425.10
  4. Step 4: Simplify right side
    187,308.06x = 26,475,362,216.01
  5. Step 5: Solve for x
    x = 26,475,362,216.01/187,308.06
  6. Step 6: Final answer
    x = 141,346.63

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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.