Home / 219,045.65-302,286.48-123,554.25

Finding the Fourth Proportional to 219,045.65, 302,286.48 and 123,554.25

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Solution

The fourth proportional to 219,045.65, 302,286.48 and 123,554.25 is: 170,506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,045.65 : 302,286.48 = 123,554.25 : x
  2. Step 2: Convert to fraction form
    219,045.65/302,286.48 = 123,554.25/x
  3. Step 3: Cross multiply
    219,045.65x = 302,286.48 × 123,554.25
  4. Step 4: Simplify right side
    219,045.65x = 37,348,777,810.11
  5. Step 5: Solve for x
    x = 37,348,777,810.11/219,045.65
  6. Step 6: Final answer
    x = 170,506.82

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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.