Home / 127,187.08-190,784.74-63,972.72

Finding the Fourth Proportional to 127,187.08, 190,784.74 and 63,972.72

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Solution

The fourth proportional to 127,187.08, 190,784.74 and 63,972.72 is: 95,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,187.08 : 190,784.74 = 63,972.72 : x
  2. Step 2: Convert to fraction form
    127,187.08/190,784.74 = 63,972.72/x
  3. Step 3: Cross multiply
    127,187.08x = 190,784.74 × 63,972.72
  4. Step 4: Simplify right side
    127,187.08x = 12,205,018,752.29
  5. Step 5: Solve for x
    x = 12,205,018,752.29/127,187.08
  6. Step 6: Final answer
    x = 95,961.15

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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.