Home / 126,889.02-175,099.26-70,296.30

Finding the Fourth Proportional to 126,889.02, 175,099.26 and 70,296.30

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Solution

The fourth proportional to 126,889.02, 175,099.26 and 70,296.30 is: 97,004.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,889.02 : 175,099.26 = 70,296.30 : x
  2. Step 2: Convert to fraction form
    126,889.02/175,099.26 = 70,296.30/x
  3. Step 3: Cross multiply
    126,889.02x = 175,099.26 × 70,296.30
  4. Step 4: Simplify right side
    126,889.02x = 12,308,830,110.74
  5. Step 5: Solve for x
    x = 12,308,830,110.74/126,889.02
  6. Step 6: Final answer
    x = 97,004.69

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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.