Home / 134,622.51-185,787.84-77,280.41

Finding the Fourth Proportional to 134,622.51, 185,787.84 and 77,280.41

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Solution

The fourth proportional to 134,622.51, 185,787.84 and 77,280.41 is: 106,652.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,622.51 : 185,787.84 = 77,280.41 : x
  2. Step 2: Convert to fraction form
    134,622.51/185,787.84 = 77,280.41/x
  3. Step 3: Cross multiply
    134,622.51x = 185,787.84 × 77,280.41
  4. Step 4: Simplify right side
    134,622.51x = 14,357,760,448.21
  5. Step 5: Solve for x
    x = 14,357,760,448.21/134,622.51
  6. Step 6: Final answer
    x = 106,652.00

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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.