Home / 134,420.48-185,524.80-77,837.12

Finding the Fourth Proportional to 134,420.48, 185,524.80 and 77,837.12

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Solution

The fourth proportional to 134,420.48, 185,524.80 and 77,837.12 is: 107,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,420.48 : 185,524.80 = 77,837.12 : x
  2. Step 2: Convert to fraction form
    134,420.48/185,524.80 = 77,837.12/x
  3. Step 3: Cross multiply
    134,420.48x = 185,524.80 × 77,837.12
  4. Step 4: Simplify right side
    134,420.48x = 14,440,716,120.58
  5. Step 5: Solve for x
    x = 14,440,716,120.58/134,420.48
  6. Step 6: Final answer
    x = 107,429.43

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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.