Home / 257,084.04-385,621.92-70,095.54

Finding the Fourth Proportional to 257,084.04, 385,621.92 and 70,095.54

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Solution

The fourth proportional to 257,084.04, 385,621.92 and 70,095.54 is: 105,142.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,084.04 : 385,621.92 = 70,095.54 : x
  2. Step 2: Convert to fraction form
    257,084.04/385,621.92 = 70,095.54/x
  3. Step 3: Cross multiply
    257,084.04x = 385,621.92 × 70,095.54
  4. Step 4: Simplify right side
    257,084.04x = 27,030,376,718.24
  5. Step 5: Solve for x
    x = 27,030,376,718.24/257,084.04
  6. Step 6: Final answer
    x = 105,142.18

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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.