Home / 139,946.30-210,007.86-73,434.18

Finding the Fourth Proportional to 139,946.30, 210,007.86 and 73,434.18

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Solution

The fourth proportional to 139,946.30, 210,007.86 and 73,434.18 is: 110,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,946.30 : 210,007.86 = 73,434.18 : x
  2. Step 2: Convert to fraction form
    139,946.30/210,007.86 = 73,434.18/x
  3. Step 3: Cross multiply
    139,946.30x = 210,007.86 × 73,434.18
  4. Step 4: Simplify right side
    139,946.30x = 15,421,754,992.65
  5. Step 5: Solve for x
    x = 15,421,754,992.65/139,946.30
  6. Step 6: Final answer
    x = 110,197.66

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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.