Home / 134,114.15-185,080.79-73,688.71

Finding the Fourth Proportional to 134,114.15, 185,080.79 and 73,688.71

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Solution

The fourth proportional to 134,114.15, 185,080.79 and 73,688.71 is: 101,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,114.15 : 185,080.79 = 73,688.71 : x
  2. Step 2: Convert to fraction form
    134,114.15/185,080.79 = 73,688.71/x
  3. Step 3: Cross multiply
    134,114.15x = 185,080.79 × 73,688.71
  4. Step 4: Simplify right side
    134,114.15x = 13,638,363,367.03
  5. Step 5: Solve for x
    x = 13,638,363,367.03/134,114.15
  6. Step 6: Final answer
    x = 101,692.20

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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.