Home / 127,065.81-175,353.16-69,708.06

Finding the Fourth Proportional to 127,065.81, 175,353.16 and 69,708.06

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Solution

The fourth proportional to 127,065.81, 175,353.16 and 69,708.06 is: 96,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,065.81 : 175,353.16 = 69,708.06 : x
  2. Step 2: Convert to fraction form
    127,065.81/175,353.16 = 69,708.06/x
  3. Step 3: Cross multiply
    127,065.81x = 175,353.16 × 69,708.06
  4. Step 4: Simplify right side
    127,065.81x = 12,223,528,249.93
  5. Step 5: Solve for x
    x = 12,223,528,249.93/127,065.81
  6. Step 6: Final answer
    x = 96,198.40

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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.