Home / 130,952.25-180,705.60-77,224.95

Finding the Fourth Proportional to 130,952.25, 180,705.60 and 77,224.95

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Solution

The fourth proportional to 130,952.25, 180,705.60 and 77,224.95 is: 106,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,952.25 : 180,705.60 = 77,224.95 : x
  2. Step 2: Convert to fraction form
    130,952.25/180,705.60 = 77,224.95/x
  3. Step 3: Cross multiply
    130,952.25x = 180,705.60 × 77,224.95
  4. Step 4: Simplify right side
    130,952.25x = 13,954,980,924.72
  5. Step 5: Solve for x
    x = 13,954,980,924.72/130,952.25
  6. Step 6: Final answer
    x = 106,565.42

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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.