Home / 207,223.02-310,834.53-137,085.93

Finding the Fourth Proportional to 207,223.02, 310,834.53 and 137,085.93

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Solution

The fourth proportional to 207,223.02, 310,834.53 and 137,085.93 is: 205,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,223.02 : 310,834.53 = 137,085.93 : x
  2. Step 2: Convert to fraction form
    207,223.02/310,834.53 = 137,085.93/x
  3. Step 3: Cross multiply
    207,223.02x = 310,834.53 × 137,085.93
  4. Step 4: Simplify right side
    207,223.02x = 42,611,040,621.16
  5. Step 5: Solve for x
    x = 42,611,040,621.16/207,223.02
  6. Step 6: Final answer
    x = 205,628.90

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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.