Home / 127,816.77-176,388.38-70,458.32

Finding the Fourth Proportional to 127,816.77, 176,388.38 and 70,458.32

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Solution

The fourth proportional to 127,816.77, 176,388.38 and 70,458.32 is: 97,233.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,816.77 : 176,388.38 = 70,458.32 : x
  2. Step 2: Convert to fraction form
    127,816.77/176,388.38 = 70,458.32/x
  3. Step 3: Cross multiply
    127,816.77x = 176,388.38 × 70,458.32
  4. Step 4: Simplify right side
    127,816.77x = 12,428,027,688.09
  5. Step 5: Solve for x
    x = 12,428,027,688.09/127,816.77
  6. Step 6: Final answer
    x = 97,233.15

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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.