Home / 112,010.20-168,015.30-70,538.20

Finding the Fourth Proportional to 112,010.20, 168,015.30 and 70,538.20

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Solution

The fourth proportional to 112,010.20, 168,015.30 and 70,538.20 is: 105,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,010.20 : 168,015.30 = 70,538.20 : x
  2. Step 2: Convert to fraction form
    112,010.20/168,015.30 = 70,538.20/x
  3. Step 3: Cross multiply
    112,010.20x = 168,015.30 × 70,538.20
  4. Step 4: Simplify right side
    112,010.20x = 11,851,496,834.46
  5. Step 5: Solve for x
    x = 11,851,496,834.46/112,010.20
  6. Step 6: Final answer
    x = 105,807.30

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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.