Home / 155,404.20-233,106.30-130,472.40

Finding the Fourth Proportional to 155,404.20, 233,106.30 and 130,472.40

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Solution

The fourth proportional to 155,404.20, 233,106.30 and 130,472.40 is: 195,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,404.20 : 233,106.30 = 130,472.40 : x
  2. Step 2: Convert to fraction form
    155,404.20/233,106.30 = 130,472.40/x
  3. Step 3: Cross multiply
    155,404.20x = 233,106.30 × 130,472.40
  4. Step 4: Simplify right side
    155,404.20x = 30,413,938,416.12
  5. Step 5: Solve for x
    x = 30,413,938,416.12/155,404.20
  6. Step 6: Final answer
    x = 195,708.60

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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.