Home / 111,738.95-167,713.75-40,730.22

Finding the Fourth Proportional to 111,738.95, 167,713.75 and 40,730.22

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Solution

The fourth proportional to 111,738.95, 167,713.75 and 40,730.22 is: 61,133.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,738.95 : 167,713.75 = 40,730.22 : x
  2. Step 2: Convert to fraction form
    111,738.95/167,713.75 = 40,730.22/x
  3. Step 3: Cross multiply
    111,738.95x = 167,713.75 × 40,730.22
  4. Step 4: Simplify right side
    111,738.95x = 6,831,017,095.96
  5. Step 5: Solve for x
    x = 6,831,017,095.96/111,738.95
  6. Step 6: Final answer
    x = 61,133.72

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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.