Home / 118,807.16-178,216.14-66,176.96

Finding the Fourth Proportional to 118,807.16, 178,216.14 and 66,176.96

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Solution

The fourth proportional to 118,807.16, 178,216.14 and 66,176.96 is: 99,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,807.16 : 178,216.14 = 66,176.96 : x
  2. Step 2: Convert to fraction form
    118,807.16/178,216.14 = 66,176.96/x
  3. Step 3: Cross multiply
    118,807.16x = 178,216.14 × 66,176.96
  4. Step 4: Simplify right side
    118,807.16x = 11,793,802,368.13
  5. Step 5: Solve for x
    x = 11,793,802,368.13/118,807.16
  6. Step 6: Final answer
    x = 99,268.45

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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.