Home / 159,199.02-219,696.47-91,214.63

Finding the Fourth Proportional to 159,199.02, 219,696.47 and 91,214.63

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Solution

The fourth proportional to 159,199.02, 219,696.47 and 91,214.63 is: 125,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,199.02 : 219,696.47 = 91,214.63 : x
  2. Step 2: Convert to fraction form
    159,199.02/219,696.47 = 91,214.63/x
  3. Step 3: Cross multiply
    159,199.02x = 219,696.47 × 91,214.63
  4. Step 4: Simplify right side
    159,199.02x = 20,039,531,720.70
  5. Step 5: Solve for x
    x = 20,039,531,720.70/159,199.02
  6. Step 6: Final answer
    x = 125,877.23

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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.