Home / 154,130.80-231,196.20-48,960.40

Finding the Fourth Proportional to 154,130.80, 231,196.20 and 48,960.40

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Solution

The fourth proportional to 154,130.80, 231,196.20 and 48,960.40 is: 73,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,130.80 : 231,196.20 = 48,960.40 : x
  2. Step 2: Convert to fraction form
    154,130.80/231,196.20 = 48,960.40/x
  3. Step 3: Cross multiply
    154,130.80x = 231,196.20 × 48,960.40
  4. Step 4: Simplify right side
    154,130.80x = 11,319,458,430.48
  5. Step 5: Solve for x
    x = 11,319,458,430.48/154,130.80
  6. Step 6: Final answer
    x = 73,440.60

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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.