Home / 127,284.90-189,996.81-118,033.62

Finding the Fourth Proportional to 127,284.90, 189,996.81 and 118,033.62

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Solution

The fourth proportional to 127,284.90, 189,996.81 and 118,033.62 is: 176,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,284.90 : 189,996.81 = 118,033.62 : x
  2. Step 2: Convert to fraction form
    127,284.90/189,996.81 = 118,033.62/x
  3. Step 3: Cross multiply
    127,284.90x = 189,996.81 × 118,033.62
  4. Step 4: Simplify right side
    127,284.90x = 22,426,011,272.75
  5. Step 5: Solve for x
    x = 22,426,011,272.75/127,284.90
  6. Step 6: Final answer
    x = 176,187.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.