Home / 112,969.02-155,832.48-70,453.74

Finding the Fourth Proportional to 112,969.02, 155,832.48 and 70,453.74

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Solution

The fourth proportional to 112,969.02, 155,832.48 and 70,453.74 is: 97,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,969.02 : 155,832.48 = 70,453.74 : x
  2. Step 2: Convert to fraction form
    112,969.02/155,832.48 = 70,453.74/x
  3. Step 3: Cross multiply
    112,969.02x = 155,832.48 × 70,453.74
  4. Step 4: Simplify right side
    112,969.02x = 10,978,981,029.48
  5. Step 5: Solve for x
    x = 10,978,981,029.48/112,969.02
  6. Step 6: Final answer
    x = 97,185.77

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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.