Home / 122,354.17-183,509.39-77,848.72

Finding the Fourth Proportional to 122,354.17, 183,509.39 and 77,848.72

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Solution

The fourth proportional to 122,354.17, 183,509.39 and 77,848.72 is: 116,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,354.17 : 183,509.39 = 77,848.72 : x
  2. Step 2: Convert to fraction form
    122,354.17/183,509.39 = 77,848.72/x
  3. Step 3: Cross multiply
    122,354.17x = 183,509.39 × 77,848.72
  4. Step 4: Simplify right side
    122,354.17x = 14,285,971,119.48
  5. Step 5: Solve for x
    x = 14,285,971,119.48/122,354.17
  6. Step 6: Final answer
    x = 116,759.17

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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.