Home / 114,430.60-157,919.64-71,435.56

Finding the Fourth Proportional to 114,430.60, 157,919.64 and 71,435.56

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Solution

The fourth proportional to 114,430.60, 157,919.64 and 71,435.56 is: 98,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,430.60 : 157,919.64 = 71,435.56 : x
  2. Step 2: Convert to fraction form
    114,430.60/157,919.64 = 71,435.56/x
  3. Step 3: Cross multiply
    114,430.60x = 157,919.64 × 71,435.56
  4. Step 4: Simplify right side
    114,430.60x = 11,281,077,918.40
  5. Step 5: Solve for x
    x = 11,281,077,918.40/114,430.60
  6. Step 6: Final answer
    x = 98,584.45

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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.