Home / 115,584.57-159,461.66-72,538.95

Finding the Fourth Proportional to 115,584.57, 159,461.66 and 72,538.95

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Solution

The fourth proportional to 115,584.57, 159,461.66 and 72,538.95 is: 100,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,584.57 : 159,461.66 = 72,538.95 : x
  2. Step 2: Convert to fraction form
    115,584.57/159,461.66 = 72,538.95/x
  3. Step 3: Cross multiply
    115,584.57x = 159,461.66 × 72,538.95
  4. Step 4: Simplify right side
    115,584.57x = 11,567,180,407.50
  5. Step 5: Solve for x
    x = 11,567,180,407.50/115,584.57
  6. Step 6: Final answer
    x = 100,075.47

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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.