Home / 142,880.55-214,277.07-98,790.63

Finding the Fourth Proportional to 142,880.55, 214,277.07 and 98,790.63

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Solution

The fourth proportional to 142,880.55, 214,277.07 and 98,790.63 is: 148,155.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,880.55 : 214,277.07 = 98,790.63 : x
  2. Step 2: Convert to fraction form
    142,880.55/214,277.07 = 98,790.63/x
  3. Step 3: Cross multiply
    142,880.55x = 214,277.07 × 98,790.63
  4. Step 4: Simplify right side
    142,880.55x = 21,168,566,739.85
  5. Step 5: Solve for x
    x = 21,168,566,739.85/142,880.55
  6. Step 6: Final answer
    x = 148,155.69

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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.