Home / 187,389.72-258,607.08-110,952.45

Finding the Fourth Proportional to 187,389.72, 258,607.08 and 110,952.45

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Solution

The fourth proportional to 187,389.72, 258,607.08 and 110,952.45 is: 153,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,389.72 : 258,607.08 = 110,952.45 : x
  2. Step 2: Convert to fraction form
    187,389.72/258,607.08 = 110,952.45/x
  3. Step 3: Cross multiply
    187,389.72x = 258,607.08 × 110,952.45
  4. Step 4: Simplify right side
    187,389.72x = 28,693,089,113.35
  5. Step 5: Solve for x
    x = 28,693,089,113.35/187,389.72
  6. Step 6: Final answer
    x = 153,119.87

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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.