Home / 113,476.10-170,214.15-111,507.80

Finding the Fourth Proportional to 113,476.10, 170,214.15 and 111,507.80

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Solution

The fourth proportional to 113,476.10, 170,214.15 and 111,507.80 is: 167,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,476.10 : 170,214.15 = 111,507.80 : x
  2. Step 2: Convert to fraction form
    113,476.10/170,214.15 = 111,507.80/x
  3. Step 3: Cross multiply
    113,476.10x = 170,214.15 × 111,507.80
  4. Step 4: Simplify right side
    113,476.10x = 18,980,205,395.37
  5. Step 5: Solve for x
    x = 18,980,205,395.37/113,476.10
  6. Step 6: Final answer
    x = 167,261.70

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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.