Home / 170,216.80-254,720.40-148,271.20

Finding the Fourth Proportional to 170,216.80, 254,720.40 and 148,271.20

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Solution

The fourth proportional to 170,216.80, 254,720.40 and 148,271.20 is: 221,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,216.80 : 254,720.40 = 148,271.20 : x
  2. Step 2: Convert to fraction form
    170,216.80/254,720.40 = 148,271.20/x
  3. Step 3: Cross multiply
    170,216.80x = 254,720.40 × 148,271.20
  4. Step 4: Simplify right side
    170,216.80x = 37,767,699,372.48
  5. Step 5: Solve for x
    x = 37,767,699,372.48/170,216.80
  6. Step 6: Final answer
    x = 221,879.98

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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.