Home / 219,973.32-303,555-119,369.16

Finding the Fourth Proportional to 219,973.32, 303,555 and 119,369.16

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Solution

The fourth proportional to 219,973.32, 303,555 and 119,369.16 is: 164,725.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,973.32 : 303,555 = 119,369.16 : x
  2. Step 2: Convert to fraction form
    219,973.32/303,555 = 119,369.16/x
  3. Step 3: Cross multiply
    219,973.32x = 303,555 × 119,369.16
  4. Step 4: Simplify right side
    219,973.32x = 36,235,105,363.80
  5. Step 5: Solve for x
    x = 36,235,105,363.80/219,973.32
  6. Step 6: Final answer
    x = 164,725.00

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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.