Home / 147,834.74-204,012.14-84,172.56

Finding the Fourth Proportional to 147,834.74, 204,012.14 and 84,172.56

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Solution

The fourth proportional to 147,834.74, 204,012.14 and 84,172.56 is: 116,158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,834.74 : 204,012.14 = 84,172.56 : x
  2. Step 2: Convert to fraction form
    147,834.74/204,012.14 = 84,172.56/x
  3. Step 3: Cross multiply
    147,834.74x = 204,012.14 × 84,172.56
  4. Step 4: Simplify right side
    147,834.74x = 17,172,223,674.02
  5. Step 5: Solve for x
    x = 17,172,223,674.02/147,834.74
  6. Step 6: Final answer
    x = 116,158.25

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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.