Home / 155,156.16-214,241.76-126,480.32

Finding the Fourth Proportional to 155,156.16, 214,241.76 and 126,480.32

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Solution

The fourth proportional to 155,156.16, 214,241.76 and 126,480.32 is: 174,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,156.16 : 214,241.76 = 126,480.32 : x
  2. Step 2: Convert to fraction form
    155,156.16/214,241.76 = 126,480.32/x
  3. Step 3: Cross multiply
    155,156.16x = 214,241.76 × 126,480.32
  4. Step 4: Simplify right side
    155,156.16x = 27,097,366,362.16
  5. Step 5: Solve for x
    x = 27,097,366,362.16/155,156.16
  6. Step 6: Final answer
    x = 174,645.77

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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.