Home / 127,133.18-190,623.65-42,891.48

Finding the Fourth Proportional to 127,133.18, 190,623.65 and 42,891.48

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Solution

The fourth proportional to 127,133.18, 190,623.65 and 42,891.48 is: 64,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,133.18 : 190,623.65 = 42,891.48 : x
  2. Step 2: Convert to fraction form
    127,133.18/190,623.65 = 42,891.48/x
  3. Step 3: Cross multiply
    127,133.18x = 190,623.65 × 42,891.48
  4. Step 4: Simplify right side
    127,133.18x = 8,176,130,350.88
  5. Step 5: Solve for x
    x = 8,176,130,350.88/127,133.18
  6. Step 6: Final answer
    x = 64,311.54

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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.