Home / 180,972.88-249,742.78-105,535.96

Finding the Fourth Proportional to 180,972.88, 249,742.78 and 105,535.96

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Solution

The fourth proportional to 180,972.88, 249,742.78 and 105,535.96 is: 145,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,972.88 : 249,742.78 = 105,535.96 : x
  2. Step 2: Convert to fraction form
    180,972.88/249,742.78 = 105,535.96/x
  3. Step 3: Cross multiply
    180,972.88x = 249,742.78 × 105,535.96
  4. Step 4: Simplify right side
    180,972.88x = 26,356,844,040.37
  5. Step 5: Solve for x
    x = 26,356,844,040.37/180,972.88
  6. Step 6: Final answer
    x = 145,639.74

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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.