Home / 142,569.42-213,767.64-98,147.40

Finding the Fourth Proportional to 142,569.42, 213,767.64 and 98,147.40

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Solution

The fourth proportional to 142,569.42, 213,767.64 and 98,147.40 is: 147,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,569.42 : 213,767.64 = 98,147.40 : x
  2. Step 2: Convert to fraction form
    142,569.42/213,767.64 = 98,147.40/x
  3. Step 3: Cross multiply
    142,569.42x = 213,767.64 × 98,147.40
  4. Step 4: Simplify right side
    142,569.42x = 20,980,738,070.14
  5. Step 5: Solve for x
    x = 20,980,738,070.14/142,569.42
  6. Step 6: Final answer
    x = 147,161.56

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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.