Home / 219,018.84-302,245.96-123,525.64

Finding the Fourth Proportional to 219,018.84, 302,245.96 and 123,525.64

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Solution

The fourth proportional to 219,018.84, 302,245.96 and 123,525.64 is: 170,465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,018.84 : 302,245.96 = 123,525.64 : x
  2. Step 2: Convert to fraction form
    219,018.84/302,245.96 = 123,525.64/x
  3. Step 3: Cross multiply
    219,018.84x = 302,245.96 × 123,525.64
  4. Step 4: Simplify right side
    219,018.84x = 37,335,125,646.41
  5. Step 5: Solve for x
    x = 37,335,125,646.41/219,018.84
  6. Step 6: Final answer
    x = 170,465.36

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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.