Home / 134,379.23-185,447.67-77,029.40

Finding the Fourth Proportional to 134,379.23, 185,447.67 and 77,029.40

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Solution

The fourth proportional to 134,379.23, 185,447.67 and 77,029.40 is: 106,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,379.23 : 185,447.67 = 77,029.40 : x
  2. Step 2: Convert to fraction form
    134,379.23/185,447.67 = 77,029.40/x
  3. Step 3: Cross multiply
    134,379.23x = 185,447.67 × 77,029.40
  4. Step 4: Simplify right side
    134,379.23x = 14,284,922,808.55
  5. Step 5: Solve for x
    x = 14,284,922,808.55/134,379.23
  6. Step 6: Final answer
    x = 106,303.06

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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.