Home / 113,901.21-170,865.50-47,386.35

Finding the Fourth Proportional to 113,901.21, 170,865.50 and 47,386.35

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Solution

The fourth proportional to 113,901.21, 170,865.50 and 47,386.35 is: 71,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,901.21 : 170,865.50 = 47,386.35 : x
  2. Step 2: Convert to fraction form
    113,901.21/170,865.50 = 47,386.35/x
  3. Step 3: Cross multiply
    113,901.21x = 170,865.50 × 47,386.35
  4. Step 4: Simplify right side
    113,901.21x = 8,096,692,148.99
  5. Step 5: Solve for x
    x = 8,096,692,148.99/113,901.21
  6. Step 6: Final answer
    x = 71,085.22

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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.