Home / 98,544.10-147,852.60-31,986.40

Finding the Fourth Proportional to 98,544.10, 147,852.60 and 31,986.40

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Solution

The fourth proportional to 98,544.10, 147,852.60 and 31,986.40 is: 47,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,544.10 : 147,852.60 = 31,986.40 : x
  2. Step 2: Convert to fraction form
    98,544.10/147,852.60 = 31,986.40/x
  3. Step 3: Cross multiply
    98,544.10x = 147,852.60 × 31,986.40
  4. Step 4: Simplify right side
    98,544.10x = 4,729,272,404.64
  5. Step 5: Solve for x
    x = 4,729,272,404.64/98,544.10
  6. Step 6: Final answer
    x = 47,991.43

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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.