Home / 126,810.78-175,004.15-70,222.16

Finding the Fourth Proportional to 126,810.78, 175,004.15 and 70,222.16

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Solution

The fourth proportional to 126,810.78, 175,004.15 and 70,222.16 is: 96,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,810.78 : 175,004.15 = 70,222.16 : x
  2. Step 2: Convert to fraction form
    126,810.78/175,004.15 = 70,222.16/x
  3. Step 3: Cross multiply
    126,810.78x = 175,004.15 × 70,222.16
  4. Step 4: Simplify right side
    126,810.78x = 12,289,169,421.96
  5. Step 5: Solve for x
    x = 12,289,169,421.96/126,810.78
  6. Step 6: Final answer
    x = 96,909.50

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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.