Home / 187,027.86-258,094.94-105,356.36

Finding the Fourth Proportional to 187,027.86, 258,094.94 and 105,356.36

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Solution

The fourth proportional to 187,027.86, 258,094.94 and 105,356.36 is: 145,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,027.86 : 258,094.94 = 105,356.36 : x
  2. Step 2: Convert to fraction form
    187,027.86/258,094.94 = 105,356.36/x
  3. Step 3: Cross multiply
    187,027.86x = 258,094.94 × 105,356.36
  4. Step 4: Simplify right side
    187,027.86x = 27,191,943,412.82
  5. Step 5: Solve for x
    x = 27,191,943,412.82/187,027.86
  6. Step 6: Final answer
    x = 145,389.80

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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.