Home / 149,520.54-206,292.72-84,984.93

Finding the Fourth Proportional to 149,520.54, 206,292.72 and 84,984.93

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Solution

The fourth proportional to 149,520.54, 206,292.72 and 84,984.93 is: 117,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,520.54 : 206,292.72 = 84,984.93 : x
  2. Step 2: Convert to fraction form
    149,520.54/206,292.72 = 84,984.93/x
  3. Step 3: Cross multiply
    149,520.54x = 206,292.72 × 84,984.93
  4. Step 4: Simplify right side
    149,520.54x = 17,531,772,368.71
  5. Step 5: Solve for x
    x = 17,531,772,368.71/149,520.54
  6. Step 6: Final answer
    x = 117,253.27

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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.