Home / 151,214.64-208,588.32-90,750.48

Finding the Fourth Proportional to 151,214.64, 208,588.32 and 90,750.48

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Solution

The fourth proportional to 151,214.64, 208,588.32 and 90,750.48 is: 125,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,214.64 : 208,588.32 = 90,750.48 : x
  2. Step 2: Convert to fraction form
    151,214.64/208,588.32 = 90,750.48/x
  3. Step 3: Cross multiply
    151,214.64x = 208,588.32 × 90,750.48
  4. Step 4: Simplify right side
    151,214.64x = 18,929,490,162.39
  5. Step 5: Solve for x
    x = 18,929,490,162.39/151,214.64
  6. Step 6: Final answer
    x = 125,182.92

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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.