Home / 219,019.08-302,246.28-123,525.57

Finding the Fourth Proportional to 219,019.08, 302,246.28 and 123,525.57

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Solution

The fourth proportional to 219,019.08, 302,246.28 and 123,525.57 is: 170,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,019.08 : 302,246.28 = 123,525.57 : x
  2. Step 2: Convert to fraction form
    219,019.08/302,246.28 = 123,525.57/x
  3. Step 3: Cross multiply
    219,019.08x = 302,246.28 × 123,525.57
  4. Step 4: Simplify right side
    219,019.08x = 37,335,144,017.38
  5. Step 5: Solve for x
    x = 37,335,144,017.38/219,019.08
  6. Step 6: Final answer
    x = 170,465.26

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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.