Home / 147,477.69-203,441.63-99,747.09

Finding the Fourth Proportional to 147,477.69, 203,441.63 and 99,747.09

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Solution

The fourth proportional to 147,477.69, 203,441.63 and 99,747.09 is: 137,598.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,477.69 : 203,441.63 = 99,747.09 : x
  2. Step 2: Convert to fraction form
    147,477.69/203,441.63 = 99,747.09/x
  3. Step 3: Cross multiply
    147,477.69x = 203,441.63 × 99,747.09
  4. Step 4: Simplify right side
    147,477.69x = 20,292,710,078.62
  5. Step 5: Solve for x
    x = 20,292,710,078.62/147,477.69
  6. Step 6: Final answer
    x = 137,598.51

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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.