Home / 91,386.36-126,104.58-51,094.53

Finding the Fourth Proportional to 91,386.36, 126,104.58 and 51,094.53

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Solution

The fourth proportional to 91,386.36, 126,104.58 and 51,094.53 is: 70,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,386.36 : 126,104.58 = 51,094.53 : x
  2. Step 2: Convert to fraction form
    91,386.36/126,104.58 = 51,094.53/x
  3. Step 3: Cross multiply
    91,386.36x = 126,104.58 × 51,094.53
  4. Step 4: Simplify right side
    91,386.36x = 6,443,254,245.95
  5. Step 5: Solve for x
    x = 6,443,254,245.95/91,386.36
  6. Step 6: Final answer
    x = 70,505.64

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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.