Home / 187,173.86-258,317.73-102,303.68

Finding the Fourth Proportional to 187,173.86, 258,317.73 and 102,303.68

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Solution

The fourth proportional to 187,173.86, 258,317.73 and 102,303.68 is: 141,188.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,173.86 : 258,317.73 = 102,303.68 : x
  2. Step 2: Convert to fraction form
    187,173.86/258,317.73 = 102,303.68/x
  3. Step 3: Cross multiply
    187,173.86x = 258,317.73 × 102,303.68
  4. Step 4: Simplify right side
    187,173.86x = 26,426,853,096.66
  5. Step 5: Solve for x
    x = 26,426,853,096.66/187,173.86
  6. Step 6: Final answer
    x = 141,188.81

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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.