Home / 134,857.96-186,114.54-74,440.60

Finding the Fourth Proportional to 134,857.96, 186,114.54 and 74,440.60

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Solution

The fourth proportional to 134,857.96, 186,114.54 and 74,440.60 is: 102,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,857.96 : 186,114.54 = 74,440.60 : x
  2. Step 2: Convert to fraction form
    134,857.96/186,114.54 = 74,440.60/x
  3. Step 3: Cross multiply
    134,857.96x = 186,114.54 × 74,440.60
  4. Step 4: Simplify right side
    134,857.96x = 13,854,478,026.32
  5. Step 5: Solve for x
    x = 13,854,478,026.32/134,857.96
  6. Step 6: Final answer
    x = 102,733.85

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1.5x scale

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.