Home / 162,212.62-223,730.08-139,589.32

Finding the Fourth Proportional to 162,212.62, 223,730.08 and 139,589.32

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Solution

The fourth proportional to 162,212.62, 223,730.08 and 139,589.32 is: 192,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,212.62 : 223,730.08 = 139,589.32 : x
  2. Step 2: Convert to fraction form
    162,212.62/223,730.08 = 139,589.32/x
  3. Step 3: Cross multiply
    162,212.62x = 223,730.08 × 139,589.32
  4. Step 4: Simplify right side
    162,212.62x = 31,230,329,730.75
  5. Step 5: Solve for x
    x = 31,230,329,730.75/162,212.62
  6. Step 6: Final answer
    x = 192,527.13

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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.