Home / 147,330.21-203,317.10-83,668.47

Finding the Fourth Proportional to 147,330.21, 203,317.10 and 83,668.47

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Solution

The fourth proportional to 147,330.21, 203,317.10 and 83,668.47 is: 115,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,330.21 : 203,317.10 = 83,668.47 : x
  2. Step 2: Convert to fraction form
    147,330.21/203,317.10 = 83,668.47/x
  3. Step 3: Cross multiply
    147,330.21x = 203,317.10 × 83,668.47
  4. Step 4: Simplify right side
    147,330.21x = 17,011,230,285.45
  5. Step 5: Solve for x
    x = 17,011,230,285.45/147,330.21
  6. Step 6: Final answer
    x = 115,463.28

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1.5x scale

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.