Home / 104,628.02-144,418.29-71,113.46

Finding the Fourth Proportional to 104,628.02, 144,418.29 and 71,113.46

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Solution

The fourth proportional to 104,628.02, 144,418.29 and 71,113.46 is: 98,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,628.02 : 144,418.29 = 71,113.46 : x
  2. Step 2: Convert to fraction form
    104,628.02/144,418.29 = 71,113.46/x
  3. Step 3: Cross multiply
    104,628.02x = 144,418.29 × 71,113.46
  4. Step 4: Simplify right side
    104,628.02x = 10,270,084,289.18
  5. Step 5: Solve for x
    x = 10,270,084,289.18/104,628.02
  6. Step 6: Final answer
    x = 98,158.07

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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.