Home / 219,482.28-302,886.20-123,986.93

Finding the Fourth Proportional to 219,482.28, 302,886.20 and 123,986.93

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Solution

The fourth proportional to 219,482.28, 302,886.20 and 123,986.93 is: 171,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,482.28 : 302,886.20 = 123,986.93 : x
  2. Step 2: Convert to fraction form
    219,482.28/302,886.20 = 123,986.93/x
  3. Step 3: Cross multiply
    219,482.28x = 302,886.20 × 123,986.93
  4. Step 4: Simplify right side
    219,482.28x = 37,553,928,872.90
  5. Step 5: Solve for x
    x = 37,553,928,872.90/219,482.28
  6. Step 6: Final answer
    x = 171,102.33

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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.