Home / 302,165.64-453,155.63-99,724.46

Finding the Fourth Proportional to 302,165.64, 453,155.63 and 99,724.46

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Solution

The fourth proportional to 302,165.64, 453,155.63 and 99,724.46 is: 149,556.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,165.64 : 453,155.63 = 99,724.46 : x
  2. Step 2: Convert to fraction form
    302,165.64/453,155.63 = 99,724.46/x
  3. Step 3: Cross multiply
    302,165.64x = 453,155.63 × 99,724.46
  4. Step 4: Simplify right side
    302,165.64x = 45,190,697,733.31
  5. Step 5: Solve for x
    x = 45,190,697,733.31/302,165.64
  6. Step 6: Final answer
    x = 149,556.04

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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.