Home / 105,629.47-158,337.59-66,214.26

Finding the Fourth Proportional to 105,629.47, 158,337.59 and 66,214.26

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Solution

The fourth proportional to 105,629.47, 158,337.59 and 66,214.26 is: 99,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,629.47 : 158,337.59 = 66,214.26 : x
  2. Step 2: Convert to fraction form
    105,629.47/158,337.59 = 66,214.26/x
  3. Step 3: Cross multiply
    105,629.47x = 158,337.59 × 66,214.26
  4. Step 4: Simplify right side
    105,629.47x = 10,484,206,020.96
  5. Step 5: Solve for x
    x = 10,484,206,020.96/105,629.47
  6. Step 6: Final answer
    x = 99,254.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.