Home / 148,661.04-205,160.50-84,133.60

Finding the Fourth Proportional to 148,661.04, 205,160.50 and 84,133.60

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Solution

The fourth proportional to 148,661.04, 205,160.50 and 84,133.60 is: 116,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,661.04 : 205,160.50 = 84,133.60 : x
  2. Step 2: Convert to fraction form
    148,661.04/205,160.50 = 84,133.60/x
  3. Step 3: Cross multiply
    148,661.04x = 205,160.50 × 84,133.60
  4. Step 4: Simplify right side
    148,661.04x = 17,260,891,715.84
  5. Step 5: Solve for x
    x = 17,260,891,715.84/148,661.04
  6. Step 6: Final answer
    x = 116,109.05

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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.