Home / 130,435.60-195,718.20-51,552.40

Finding the Fourth Proportional to 130,435.60, 195,718.20 and 51,552.40

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Solution

The fourth proportional to 130,435.60, 195,718.20 and 51,552.40 is: 77,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,435.60 : 195,718.20 = 51,552.40 : x
  2. Step 2: Convert to fraction form
    130,435.60/195,718.20 = 51,552.40/x
  3. Step 3: Cross multiply
    130,435.60x = 195,718.20 × 51,552.40
  4. Step 4: Simplify right side
    130,435.60x = 10,089,742,933.68
  5. Step 5: Solve for x
    x = 10,089,742,933.68/130,435.60
  6. Step 6: Final answer
    x = 77,354.21

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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.