Home / 148,084.04-204,143.41-105,568.76

Finding the Fourth Proportional to 148,084.04, 204,143.41 and 105,568.76

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Solution

The fourth proportional to 148,084.04, 204,143.41 and 105,568.76 is: 145,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,084.04 : 204,143.41 = 105,568.76 : x
  2. Step 2: Convert to fraction form
    148,084.04/204,143.41 = 105,568.76/x
  3. Step 3: Cross multiply
    148,084.04x = 204,143.41 × 105,568.76
  4. Step 4: Simplify right side
    148,084.04x = 21,551,166,655.87
  5. Step 5: Solve for x
    x = 21,551,166,655.87/148,084.04
  6. Step 6: Final answer
    x = 145,533.35

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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.