Home / 147,019.32-202,817.12-99,289.26

Finding the Fourth Proportional to 147,019.32, 202,817.12 and 99,289.26

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Solution

The fourth proportional to 147,019.32, 202,817.12 and 99,289.26 is: 136,972.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,019.32 : 202,817.12 = 99,289.26 : x
  2. Step 2: Convert to fraction form
    147,019.32/202,817.12 = 99,289.26/x
  3. Step 3: Cross multiply
    147,019.32x = 202,817.12 × 99,289.26
  4. Step 4: Simplify right side
    147,019.32x = 20,137,561,263.68
  5. Step 5: Solve for x
    x = 20,137,561,263.68/147,019.32
  6. Step 6: Final answer
    x = 136,972.21

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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.