Home / 114,278.04-171,389.25-47,718.72

Finding the Fourth Proportional to 114,278.04, 171,389.25 and 47,718.72

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Solution

The fourth proportional to 114,278.04, 171,389.25 and 47,718.72 is: 71,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,278.04 : 171,389.25 = 47,718.72 : x
  2. Step 2: Convert to fraction form
    114,278.04/171,389.25 = 47,718.72/x
  3. Step 3: Cross multiply
    114,278.04x = 171,389.25 × 47,718.72
  4. Step 4: Simplify right side
    114,278.04x = 8,178,475,631.76
  5. Step 5: Solve for x
    x = 8,178,475,631.76/114,278.04
  6. Step 6: Final answer
    x = 71,566.47

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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.