Home / 147,406.74-203,426.74-83,755.32

Finding the Fourth Proportional to 147,406.74, 203,426.74 and 83,755.32

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Solution

The fourth proportional to 147,406.74, 203,426.74 and 83,755.32 is: 115,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,406.74 : 203,426.74 = 83,755.32 : x
  2. Step 2: Convert to fraction form
    147,406.74/203,426.74 = 83,755.32/x
  3. Step 3: Cross multiply
    147,406.74x = 203,426.74 × 83,755.32
  4. Step 4: Simplify right side
    147,406.74x = 17,038,071,705.26
  5. Step 5: Solve for x
    x = 17,038,071,705.26/147,406.74
  6. Step 6: Final answer
    x = 115,585.43

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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.