Home / 108,075.17-149,146.26-67,790.63

Finding the Fourth Proportional to 108,075.17, 149,146.26 and 67,790.63

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Solution

The fourth proportional to 108,075.17, 149,146.26 and 67,790.63 is: 93,552.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,075.17 : 149,146.26 = 67,790.63 : x
  2. Step 2: Convert to fraction form
    108,075.17/149,146.26 = 67,790.63/x
  3. Step 3: Cross multiply
    108,075.17x = 149,146.26 × 67,790.63
  4. Step 4: Simplify right side
    108,075.17x = 10,110,718,588.59
  5. Step 5: Solve for x
    x = 10,110,718,588.59/108,075.17
  6. Step 6: Final answer
    x = 93,552.65

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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.