Home / 137,250.36-205,835.93-47,289.40

Finding the Fourth Proportional to 137,250.36, 205,835.93 and 47,289.40

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Solution

The fourth proportional to 137,250.36, 205,835.93 and 47,289.40 is: 70,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,250.36 : 205,835.93 = 47,289.40 : x
  2. Step 2: Convert to fraction form
    137,250.36/205,835.93 = 47,289.40/x
  3. Step 3: Cross multiply
    137,250.36x = 205,835.93 × 47,289.40
  4. Step 4: Simplify right side
    137,250.36x = 9,733,857,391.70
  5. Step 5: Solve for x
    x = 9,733,857,391.70/137,250.36
  6. Step 6: Final answer
    x = 70,920.45

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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.