Home / 219,247.48-302,555.28-123,763.06

Finding the Fourth Proportional to 219,247.48, 302,555.28 and 123,763.06

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Solution

The fourth proportional to 219,247.48, 302,555.28 and 123,763.06 is: 170,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,247.48 : 302,555.28 = 123,763.06 : x
  2. Step 2: Convert to fraction form
    219,247.48/302,555.28 = 123,763.06/x
  3. Step 3: Cross multiply
    219,247.48x = 302,555.28 × 123,763.06
  4. Step 4: Simplify right side
    219,247.48x = 37,445,167,271.96
  5. Step 5: Solve for x
    x = 37,445,167,271.96/219,247.48
  6. Step 6: Final answer
    x = 170,789.50

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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.