Home / 152,840.68-229,156.44-77,815.64

Finding the Fourth Proportional to 152,840.68, 229,156.44 and 77,815.64

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Solution

The fourth proportional to 152,840.68, 229,156.44 and 77,815.64 is: 116,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,840.68 : 229,156.44 = 77,815.64 : x
  2. Step 2: Convert to fraction form
    152,840.68/229,156.44 = 77,815.64/x
  3. Step 3: Cross multiply
    152,840.68x = 229,156.44 × 77,815.64
  4. Step 4: Simplify right side
    152,840.68x = 17,831,955,038.72
  5. Step 5: Solve for x
    x = 17,831,955,038.72/152,840.68
  6. Step 6: Final answer
    x = 116,670.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.