Home / 134,388.77-185,464.15-77,037.63

Finding the Fourth Proportional to 134,388.77, 185,464.15 and 77,037.63

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Solution

The fourth proportional to 134,388.77, 185,464.15 and 77,037.63 is: 106,316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,388.77 : 185,464.15 = 77,037.63 : x
  2. Step 2: Convert to fraction form
    134,388.77/185,464.15 = 77,037.63/x
  3. Step 3: Cross multiply
    134,388.77x = 185,464.15 × 77,037.63
  4. Step 4: Simplify right side
    134,388.77x = 14,287,718,565.96
  5. Step 5: Solve for x
    x = 14,287,718,565.96/134,388.77
  6. Step 6: Final answer
    x = 106,316.31

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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.