Home / 145,880.05-218,856.98-40,698.94

Finding the Fourth Proportional to 145,880.05, 218,856.98 and 40,698.94

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Solution

The fourth proportional to 145,880.05, 218,856.98 and 40,698.94 is: 61,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,880.05 : 218,856.98 = 40,698.94 : x
  2. Step 2: Convert to fraction form
    145,880.05/218,856.98 = 40,698.94/x
  3. Step 3: Cross multiply
    145,880.05x = 218,856.98 × 40,698.94
  4. Step 4: Simplify right side
    145,880.05x = 8,907,247,097.60
  5. Step 5: Solve for x
    x = 8,907,247,097.60/145,880.05
  6. Step 6: Final answer
    x = 61,058.71

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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.