Home / 157,751.04-236,073.60-122,465.28

Finding the Fourth Proportional to 157,751.04, 236,073.60 and 122,465.28

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Solution

The fourth proportional to 157,751.04, 236,073.60 and 122,465.28 is: 183,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,751.04 : 236,073.60 = 122,465.28 : x
  2. Step 2: Convert to fraction form
    157,751.04/236,073.60 = 122,465.28/x
  3. Step 3: Cross multiply
    157,751.04x = 236,073.60 × 122,465.28
  4. Step 4: Simplify right side
    157,751.04x = 28,910,819,524.61
  5. Step 5: Solve for x
    x = 28,910,819,524.61/157,751.04
  6. Step 6: Final answer
    x = 183,268.65

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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.