Home / 93,099.32-128,458.08-89,899

Finding the Fourth Proportional to 93,099.32, 128,458.08 and 89,899

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Solution

The fourth proportional to 93,099.32, 128,458.08 and 89,899 is: 124,042.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,099.32 : 128,458.08 = 89,899 : x
  2. Step 2: Convert to fraction form
    93,099.32/128,458.08 = 89,899/x
  3. Step 3: Cross multiply
    93,099.32x = 128,458.08 × 89,899
  4. Step 4: Simplify right side
    93,099.32x = 11,548,252,933.92
  5. Step 5: Solve for x
    x = 11,548,252,933.92/93,099.32
  6. Step 6: Final answer
    x = 124,042.29

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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.