Home / 112,077.90-168,116.85-111,300.30

Finding the Fourth Proportional to 112,077.90, 168,116.85 and 111,300.30

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Solution

The fourth proportional to 112,077.90, 168,116.85 and 111,300.30 is: 166,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,077.90 : 168,116.85 = 111,300.30 : x
  2. Step 2: Convert to fraction form
    112,077.90/168,116.85 = 111,300.30/x
  3. Step 3: Cross multiply
    112,077.90x = 168,116.85 × 111,300.30
  4. Step 4: Simplify right side
    112,077.90x = 18,711,455,840.06
  5. Step 5: Solve for x
    x = 18,711,455,840.06/112,077.90
  6. Step 6: Final answer
    x = 166,950.45

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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.