Home / 178,064.32-245,740.62-102,617.68

Finding the Fourth Proportional to 178,064.32, 245,740.62 and 102,617.68

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Solution

The fourth proportional to 178,064.32, 245,740.62 and 102,617.68 is: 141,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,064.32 : 245,740.62 = 102,617.68 : x
  2. Step 2: Convert to fraction form
    178,064.32/245,740.62 = 102,617.68/x
  3. Step 3: Cross multiply
    178,064.32x = 245,740.62 × 102,617.68
  4. Step 4: Simplify right side
    178,064.32x = 25,217,332,306.16
  5. Step 5: Solve for x
    x = 25,217,332,306.16/178,064.32
  6. Step 6: Final answer
    x = 141,619.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.