Home / 155,638.70-233,458.05-148,813.10

Finding the Fourth Proportional to 155,638.70, 233,458.05 and 148,813.10

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Solution

The fourth proportional to 155,638.70, 233,458.05 and 148,813.10 is: 223,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,638.70 : 233,458.05 = 148,813.10 : x
  2. Step 2: Convert to fraction form
    155,638.70/233,458.05 = 148,813.10/x
  3. Step 3: Cross multiply
    155,638.70x = 233,458.05 × 148,813.10
  4. Step 4: Simplify right side
    155,638.70x = 34,741,616,140.46
  5. Step 5: Solve for x
    x = 34,741,616,140.46/155,638.70
  6. Step 6: Final answer
    x = 223,219.65

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1.5x scale

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.