Home / 105,035.09-144,948.34-57,288.29

Finding the Fourth Proportional to 105,035.09, 144,948.34 and 57,288.29

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Solution

The fourth proportional to 105,035.09, 144,948.34 and 57,288.29 is: 79,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,035.09 : 144,948.34 = 57,288.29 : x
  2. Step 2: Convert to fraction form
    105,035.09/144,948.34 = 57,288.29/x
  3. Step 3: Cross multiply
    105,035.09x = 144,948.34 × 57,288.29
  4. Step 4: Simplify right side
    105,035.09x = 8,303,842,756.09
  5. Step 5: Solve for x
    x = 8,303,842,756.09/105,035.09
  6. Step 6: Final answer
    x = 79,057.79

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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.