Home / 134,392.34-185,450.64-77,807.36

Finding the Fourth Proportional to 134,392.34, 185,450.64 and 77,807.36

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Solution

The fourth proportional to 134,392.34, 185,450.64 and 77,807.36 is: 107,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,392.34 : 185,450.64 = 77,807.36 : x
  2. Step 2: Convert to fraction form
    134,392.34/185,450.64 = 77,807.36/x
  3. Step 3: Cross multiply
    134,392.34x = 185,450.64 × 77,807.36
  4. Step 4: Simplify right side
    134,392.34x = 14,429,424,708.71
  5. Step 5: Solve for x
    x = 14,429,424,708.71/134,392.34
  6. Step 6: Final answer
    x = 107,367.91

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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.