Home / 112,740.10-168,891.27-100,762.18

Finding the Fourth Proportional to 112,740.10, 168,891.27 and 100,762.18

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Solution

The fourth proportional to 112,740.10, 168,891.27 and 100,762.18 is: 150,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,740.10 : 168,891.27 = 100,762.18 : x
  2. Step 2: Convert to fraction form
    112,740.10/168,891.27 = 100,762.18/x
  3. Step 3: Cross multiply
    112,740.10x = 168,891.27 × 100,762.18
  4. Step 4: Simplify right side
    112,740.10x = 17,017,852,548.17
  5. Step 5: Solve for x
    x = 17,017,852,548.17/112,740.10
  6. Step 6: Final answer
    x = 150,947.64

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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.