Home / 127,027.28-190,473.48-42,759.32

Finding the Fourth Proportional to 127,027.28, 190,473.48 and 42,759.32

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Solution

The fourth proportional to 127,027.28, 190,473.48 and 42,759.32 is: 64,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,027.28 : 190,473.48 = 42,759.32 : x
  2. Step 2: Convert to fraction form
    127,027.28/190,473.48 = 42,759.32/x
  3. Step 3: Cross multiply
    127,027.28x = 190,473.48 × 42,759.32
  4. Step 4: Simplify right side
    127,027.28x = 8,144,516,482.83
  5. Step 5: Solve for x
    x = 8,144,516,482.83/127,027.28
  6. Step 6: Final answer
    x = 64,116.28

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1.5x scale

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.