Home / 145,511.52-218,271.36-40,338.24

Finding the Fourth Proportional to 145,511.52, 218,271.36 and 40,338.24

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Solution

The fourth proportional to 145,511.52, 218,271.36 and 40,338.24 is: 60,508.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,511.52 : 218,271.36 = 40,338.24 : x
  2. Step 2: Convert to fraction form
    145,511.52/218,271.36 = 40,338.24/x
  3. Step 3: Cross multiply
    145,511.52x = 218,271.36 × 40,338.24
  4. Step 4: Simplify right side
    145,511.52x = 8,804,682,504.81
  5. Step 5: Solve for x
    x = 8,804,682,504.81/145,511.52
  6. Step 6: Final answer
    x = 60,508.49

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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.