Home / 245,657.03-339,004.50-138,224.91

Finding the Fourth Proportional to 245,657.03, 339,004.50 and 138,224.91

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Solution

The fourth proportional to 245,657.03, 339,004.50 and 138,224.91 is: 190,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,657.03 : 339,004.50 = 138,224.91 : x
  2. Step 2: Convert to fraction form
    245,657.03/339,004.50 = 138,224.91/x
  3. Step 3: Cross multiply
    245,657.03x = 339,004.50 × 138,224.91
  4. Step 4: Simplify right side
    245,657.03x = 46,858,866,502.10
  5. Step 5: Solve for x
    x = 46,858,866,502.10/245,657.03
  6. Step 6: Final answer
    x = 190,749.14

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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.