Home / 148,100.68-204,166.36-105,585.40

Finding the Fourth Proportional to 148,100.68, 204,166.36 and 105,585.40

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Solution

The fourth proportional to 148,100.68, 204,166.36 and 105,585.40 is: 145,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,100.68 : 204,166.36 = 105,585.40 : x
  2. Step 2: Convert to fraction form
    148,100.68/204,166.36 = 105,585.40/x
  3. Step 3: Cross multiply
    148,100.68x = 204,166.36 × 105,585.40
  4. Step 4: Simplify right side
    148,100.68x = 21,556,986,787.14
  5. Step 5: Solve for x
    x = 21,556,986,787.14/148,100.68
  6. Step 6: Final answer
    x = 145,556.30

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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.