Home / 145,165.64-199,913.82-130,702.28

Finding the Fourth Proportional to 145,165.64, 199,913.82 and 130,702.28

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Solution

The fourth proportional to 145,165.64, 199,913.82 and 130,702.28 is: 179,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,165.64 : 199,913.82 = 130,702.28 : x
  2. Step 2: Convert to fraction form
    145,165.64/199,913.82 = 130,702.28/x
  3. Step 3: Cross multiply
    145,165.64x = 199,913.82 × 130,702.28
  4. Step 4: Simplify right side
    145,165.64x = 26,129,192,077.51
  5. Step 5: Solve for x
    x = 26,129,192,077.51/145,165.64
  6. Step 6: Final answer
    x = 179,995.71

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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.