Home / 119,827.20-179,740.80-40,922.40

Finding the Fourth Proportional to 119,827.20, 179,740.80 and 40,922.40

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Solution

The fourth proportional to 119,827.20, 179,740.80 and 40,922.40 is: 61,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,827.20 : 179,740.80 = 40,922.40 : x
  2. Step 2: Convert to fraction form
    119,827.20/179,740.80 = 40,922.40/x
  3. Step 3: Cross multiply
    119,827.20x = 179,740.80 × 40,922.40
  4. Step 4: Simplify right side
    119,827.20x = 7,355,424,913.92
  5. Step 5: Solve for x
    x = 7,355,424,913.92/119,827.20
  6. Step 6: Final answer
    x = 61,383.60

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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.