Home / 132,782.90-183,238.04-72,354.07

Finding the Fourth Proportional to 132,782.90, 183,238.04 and 72,354.07

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Solution

The fourth proportional to 132,782.90, 183,238.04 and 72,354.07 is: 99,847.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,782.90 : 183,238.04 = 72,354.07 : x
  2. Step 2: Convert to fraction form
    132,782.90/183,238.04 = 72,354.07/x
  3. Step 3: Cross multiply
    132,782.90x = 183,238.04 × 72,354.07
  4. Step 4: Simplify right side
    132,782.90x = 13,258,016,694.86
  5. Step 5: Solve for x
    x = 13,258,016,694.86/132,782.90
  6. Step 6: Final answer
    x = 99,847.32

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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.