Home / 219,019.24-302,246.13-123,525.64

Finding the Fourth Proportional to 219,019.24, 302,246.13 and 123,525.64

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Solution

The fourth proportional to 219,019.24, 302,246.13 and 123,525.64 is: 170,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,019.24 : 302,246.13 = 123,525.64 : x
  2. Step 2: Convert to fraction form
    219,019.24/302,246.13 = 123,525.64/x
  3. Step 3: Cross multiply
    219,019.24x = 302,246.13 × 123,525.64
  4. Step 4: Simplify right side
    219,019.24x = 37,335,146,645.77
  5. Step 5: Solve for x
    x = 37,335,146,645.77/219,019.24
  6. Step 6: Final answer
    x = 170,465.15

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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.