Home / 219,014.58-302,240.07-123,521.07

Finding the Fourth Proportional to 219,014.58, 302,240.07 and 123,521.07

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Solution

The fourth proportional to 219,014.58, 302,240.07 and 123,521.07 is: 170,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,014.58 : 302,240.07 = 123,521.07 : x
  2. Step 2: Convert to fraction form
    219,014.58/302,240.07 = 123,521.07/x
  3. Step 3: Cross multiply
    219,014.58x = 302,240.07 × 123,521.07
  4. Step 4: Simplify right side
    219,014.58x = 37,333,016,843.27
  5. Step 5: Solve for x
    x = 37,333,016,843.27/219,014.58
  6. Step 6: Final answer
    x = 170,459.05

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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.