Home / 127,509.36-175,966.20-70,150.12

Finding the Fourth Proportional to 127,509.36, 175,966.20 and 70,150.12

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Solution

The fourth proportional to 127,509.36, 175,966.20 and 70,150.12 is: 96,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,509.36 : 175,966.20 = 70,150.12 : x
  2. Step 2: Convert to fraction form
    127,509.36/175,966.20 = 70,150.12/x
  3. Step 3: Cross multiply
    127,509.36x = 175,966.20 × 70,150.12
  4. Step 4: Simplify right side
    127,509.36x = 12,344,050,045.94
  5. Step 5: Solve for x
    x = 12,344,050,045.94/127,509.36
  6. Step 6: Final answer
    x = 96,808.97

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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.