Home / 148,291.36-204,656.73-84,638.72

Finding the Fourth Proportional to 148,291.36, 204,656.73 and 84,638.72

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Solution

The fourth proportional to 148,291.36, 204,656.73 and 84,638.72 is: 116,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,291.36 : 204,656.73 = 84,638.72 : x
  2. Step 2: Convert to fraction form
    148,291.36/204,656.73 = 84,638.72/x
  3. Step 3: Cross multiply
    148,291.36x = 204,656.73 × 84,638.72
  4. Step 4: Simplify right side
    148,291.36x = 17,321,883,860.83
  5. Step 5: Solve for x
    x = 17,321,883,860.83/148,291.36
  6. Step 6: Final answer
    x = 116,809.80

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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.