Home / 113,742.81-157,015.41-73,476.21

Finding the Fourth Proportional to 113,742.81, 157,015.41 and 73,476.21

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Solution

The fourth proportional to 113,742.81, 157,015.41 and 73,476.21 is: 101,429.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,742.81 : 157,015.41 = 73,476.21 : x
  2. Step 2: Convert to fraction form
    113,742.81/157,015.41 = 73,476.21/x
  3. Step 3: Cross multiply
    113,742.81x = 157,015.41 × 73,476.21
  4. Step 4: Simplify right side
    113,742.81x = 11,536,897,238.40
  5. Step 5: Solve for x
    x = 11,536,897,238.40/113,742.81
  6. Step 6: Final answer
    x = 101,429.68

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1.5x scale

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.