Home / 130,212.57-195,334.47-45,955.32

Finding the Fourth Proportional to 130,212.57, 195,334.47 and 45,955.32

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Solution

The fourth proportional to 130,212.57, 195,334.47 and 45,955.32 is: 68,938.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,212.57 : 195,334.47 = 45,955.32 : x
  2. Step 2: Convert to fraction form
    130,212.57/195,334.47 = 45,955.32/x
  3. Step 3: Cross multiply
    130,212.57x = 195,334.47 × 45,955.32
  4. Step 4: Simplify right side
    130,212.57x = 8,976,658,075.88
  5. Step 5: Solve for x
    x = 8,976,658,075.88/130,212.57
  6. Step 6: Final answer
    x = 68,938.49

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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.