Home / 113,420.64-170,131.02-51,018.24

Finding the Fourth Proportional to 113,420.64, 170,131.02 and 51,018.24

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Solution

The fourth proportional to 113,420.64, 170,131.02 and 51,018.24 is: 76,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,420.64 : 170,131.02 = 51,018.24 : x
  2. Step 2: Convert to fraction form
    113,420.64/170,131.02 = 51,018.24/x
  3. Step 3: Cross multiply
    113,420.64x = 170,131.02 × 51,018.24
  4. Step 4: Simplify right side
    113,420.64x = 8,679,785,209.80
  5. Step 5: Solve for x
    x = 8,679,785,209.80/113,420.64
  6. Step 6: Final answer
    x = 76,527.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.