Home / 254,623.15-351,382.43-139,899.95

Finding the Fourth Proportional to 254,623.15, 351,382.43 and 139,899.95

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Solution

The fourth proportional to 254,623.15, 351,382.43 and 139,899.95 is: 193,063.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,623.15 : 351,382.43 = 139,899.95 : x
  2. Step 2: Convert to fraction form
    254,623.15/351,382.43 = 139,899.95/x
  3. Step 3: Cross multiply
    254,623.15x = 351,382.43 × 139,899.95
  4. Step 4: Simplify right side
    254,623.15x = 49,158,381,931.47
  5. Step 5: Solve for x
    x = 49,158,381,931.47/254,623.15
  6. Step 6: Final answer
    x = 193,063.29

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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.