Home / 137,109.15-205,668.28-47,150.98

Finding the Fourth Proportional to 137,109.15, 205,668.28 and 47,150.98

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Solution

The fourth proportional to 137,109.15, 205,668.28 and 47,150.98 is: 70,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,109.15 : 205,668.28 = 47,150.98 : x
  2. Step 2: Convert to fraction form
    137,109.15/205,668.28 = 47,150.98/x
  3. Step 3: Cross multiply
    137,109.15x = 205,668.28 × 47,150.98
  4. Step 4: Simplify right side
    137,109.15x = 9,697,460,956.91
  5. Step 5: Solve for x
    x = 9,697,460,956.91/137,109.15
  6. Step 6: Final answer
    x = 70,728.04

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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.