Home / 177,785.79-245,392.77-101,345.14

Finding the Fourth Proportional to 177,785.79, 245,392.77 and 101,345.14

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Solution

The fourth proportional to 177,785.79, 245,392.77 and 101,345.14 is: 139,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,785.79 : 245,392.77 = 101,345.14 : x
  2. Step 2: Convert to fraction form
    177,785.79/245,392.77 = 101,345.14/x
  3. Step 3: Cross multiply
    177,785.79x = 245,392.77 × 101,345.14
  4. Step 4: Simplify right side
    177,785.79x = 24,869,364,630.64
  5. Step 5: Solve for x
    x = 24,869,364,630.64/177,785.79
  6. Step 6: Final answer
    x = 139,883.87

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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.