Home / 219,017.76-302,243.04-123,525.36

Finding the Fourth Proportional to 219,017.76, 302,243.04 and 123,525.36

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Solution

The fourth proportional to 219,017.76, 302,243.04 and 123,525.36 is: 170,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,017.76 : 302,243.04 = 123,525.36 : x
  2. Step 2: Convert to fraction form
    219,017.76/302,243.04 = 123,525.36/x
  3. Step 3: Cross multiply
    219,017.76x = 302,243.04 × 123,525.36
  4. Step 4: Simplify right side
    219,017.76x = 37,334,680,323.49
  5. Step 5: Solve for x
    x = 37,334,680,323.49/219,017.76
  6. Step 6: Final answer
    x = 170,464.17

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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.