Home / 134,589.10-185,730.51-74,165.35

Finding the Fourth Proportional to 134,589.10, 185,730.51 and 74,165.35

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Solution

The fourth proportional to 134,589.10, 185,730.51 and 74,165.35 is: 102,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,589.10 : 185,730.51 = 74,165.35 : x
  2. Step 2: Convert to fraction form
    134,589.10/185,730.51 = 74,165.35/x
  3. Step 3: Cross multiply
    134,589.10x = 185,730.51 × 74,165.35
  4. Step 4: Simplify right side
    134,589.10x = 13,774,768,279.83
  5. Step 5: Solve for x
    x = 13,774,768,279.83/134,589.10
  6. Step 6: Final answer
    x = 102,346.83

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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.