Home / 98,328.49-135,704.96-55,893.40

Finding the Fourth Proportional to 98,328.49, 135,704.96 and 55,893.40

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Solution

The fourth proportional to 98,328.49, 135,704.96 and 55,893.40 is: 77,139.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,328.49 : 135,704.96 = 55,893.40 : x
  2. Step 2: Convert to fraction form
    98,328.49/135,704.96 = 55,893.40/x
  3. Step 3: Cross multiply
    98,328.49x = 135,704.96 × 55,893.40
  4. Step 4: Simplify right side
    98,328.49x = 7,585,011,611.26
  5. Step 5: Solve for x
    x = 7,585,011,611.26/98,328.49
  6. Step 6: Final answer
    x = 77,139.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.