Home / 130,482.40-195,723.60-112,986.40

Finding the Fourth Proportional to 130,482.40, 195,723.60 and 112,986.40

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Solution

The fourth proportional to 130,482.40, 195,723.60 and 112,986.40 is: 169,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,482.40 : 195,723.60 = 112,986.40 : x
  2. Step 2: Convert to fraction form
    130,482.40/195,723.60 = 112,986.40/x
  3. Step 3: Cross multiply
    130,482.40x = 195,723.60 × 112,986.40
  4. Step 4: Simplify right side
    130,482.40x = 22,114,104,959.04
  5. Step 5: Solve for x
    x = 22,114,104,959.04/130,482.40
  6. Step 6: Final answer
    x = 169,479.60

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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.