Home / 157,655.70-236,483.55-122,226.30

Finding the Fourth Proportional to 157,655.70, 236,483.55 and 122,226.30

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Solution

The fourth proportional to 157,655.70, 236,483.55 and 122,226.30 is: 183,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,655.70 : 236,483.55 = 122,226.30 : x
  2. Step 2: Convert to fraction form
    157,655.70/236,483.55 = 122,226.30/x
  3. Step 3: Cross multiply
    157,655.70x = 236,483.55 × 122,226.30
  4. Step 4: Simplify right side
    157,655.70x = 28,904,509,327.37
  5. Step 5: Solve for x
    x = 28,904,509,327.37/157,655.70
  6. Step 6: Final answer
    x = 183,339.45

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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.