Home / 148,939.80-223,409.70-89,957.40

Finding the Fourth Proportional to 148,939.80, 223,409.70 and 89,957.40

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Solution

The fourth proportional to 148,939.80, 223,409.70 and 89,957.40 is: 134,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,939.80 : 223,409.70 = 89,957.40 : x
  2. Step 2: Convert to fraction form
    148,939.80/223,409.70 = 89,957.40/x
  3. Step 3: Cross multiply
    148,939.80x = 223,409.70 × 89,957.40
  4. Step 4: Simplify right side
    148,939.80x = 20,097,355,746.78
  5. Step 5: Solve for x
    x = 20,097,355,746.78/148,939.80
  6. Step 6: Final answer
    x = 134,936.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.