Home / 127,018.64-175,286.76-70,430.96

Finding the Fourth Proportional to 127,018.64, 175,286.76 and 70,430.96

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Solution

The fourth proportional to 127,018.64, 175,286.76 and 70,430.96 is: 97,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,018.64 : 175,286.76 = 70,430.96 : x
  2. Step 2: Convert to fraction form
    127,018.64/175,286.76 = 70,430.96/x
  3. Step 3: Cross multiply
    127,018.64x = 175,286.76 × 70,430.96
  4. Step 4: Simplify right side
    127,018.64x = 12,345,614,782.09
  5. Step 5: Solve for x
    x = 12,345,614,782.09/127,018.64
  6. Step 6: Final answer
    x = 97,195.30

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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.