Home / 253,185.36-349,430.60-145,753.04

Finding the Fourth Proportional to 253,185.36, 349,430.60 and 145,753.04

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Solution

The fourth proportional to 253,185.36, 349,430.60 and 145,753.04 is: 201,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,185.36 : 349,430.60 = 145,753.04 : x
  2. Step 2: Convert to fraction form
    253,185.36/349,430.60 = 145,753.04/x
  3. Step 3: Cross multiply
    253,185.36x = 349,430.60 × 145,753.04
  4. Step 4: Simplify right side
    253,185.36x = 50,930,572,219.02
  5. Step 5: Solve for x
    x = 50,930,572,219.02/253,185.36
  6. Step 6: Final answer
    x = 201,159.23

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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.