Home / 134,539.14-185,664-77,983.32

Finding the Fourth Proportional to 134,539.14, 185,664 and 77,983.32

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Solution

The fourth proportional to 134,539.14, 185,664 and 77,983.32 is: 107,616.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,539.14 : 185,664 = 77,983.32 : x
  2. Step 2: Convert to fraction form
    134,539.14/185,664 = 77,983.32/x
  3. Step 3: Cross multiply
    134,539.14x = 185,664 × 77,983.32
  4. Step 4: Simplify right side
    134,539.14x = 14,478,695,124.48
  5. Step 5: Solve for x
    x = 14,478,695,124.48/134,539.14
  6. Step 6: Final answer
    x = 107,616.97

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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.