Home / 132,784.90-183,240.79-72,356.07

Finding the Fourth Proportional to 132,784.90, 183,240.79 and 72,356.07

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Solution

The fourth proportional to 132,784.90, 183,240.79 and 72,356.07 is: 99,850.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,784.90 : 183,240.79 = 72,356.07 : x
  2. Step 2: Convert to fraction form
    132,784.90/183,240.79 = 72,356.07/x
  3. Step 3: Cross multiply
    132,784.90x = 183,240.79 × 72,356.07
  4. Step 4: Simplify right side
    132,784.90x = 13,258,583,428.10
  5. Step 5: Solve for x
    x = 13,258,583,428.10/132,784.90
  6. Step 6: Final answer
    x = 99,850.08

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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.