Home / 151,207.58-208,630.86-127,100.18

Finding the Fourth Proportional to 151,207.58, 208,630.86 and 127,100.18

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Solution

The fourth proportional to 151,207.58, 208,630.86 and 127,100.18 is: 175,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,207.58 : 208,630.86 = 127,100.18 : x
  2. Step 2: Convert to fraction form
    151,207.58/208,630.86 = 127,100.18/x
  3. Step 3: Cross multiply
    151,207.58x = 208,630.86 × 127,100.18
  4. Step 4: Simplify right side
    151,207.58x = 26,517,019,859.55
  5. Step 5: Solve for x
    x = 26,517,019,859.55/151,207.58
  6. Step 6: Final answer
    x = 175,368.32

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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.