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Finding the Fourth Proportional to 147,019.84, 202,891.84 and 83,360.32

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Solution

The fourth proportional to 147,019.84, 202,891.84 and 83,360.32 is: 115,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,019.84 : 202,891.84 = 83,360.32 : x
  2. Step 2: Convert to fraction form
    147,019.84/202,891.84 = 83,360.32/x
  3. Step 3: Cross multiply
    147,019.84x = 202,891.84 × 83,360.32
  4. Step 4: Simplify right side
    147,019.84x = 16,913,128,707.79
  5. Step 5: Solve for x
    x = 16,913,128,707.79/147,019.84
  6. Step 6: Final answer
    x = 115,039.77

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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.