Home / 112,269.40-154,948.80-69,841.60

Finding the Fourth Proportional to 112,269.40, 154,948.80 and 69,841.60

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Solution

The fourth proportional to 112,269.40, 154,948.80 and 69,841.60 is: 96,392.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269.40 : 154,948.80 = 69,841.60 : x
  2. Step 2: Convert to fraction form
    112,269.40/154,948.80 = 69,841.60/x
  3. Step 3: Cross multiply
    112,269.40x = 154,948.80 × 69,841.60
  4. Step 4: Simplify right side
    112,269.40x = 10,821,872,110.08
  5. Step 5: Solve for x
    x = 10,821,872,110.08/112,269.40
  6. Step 6: Final answer
    x = 96,392.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.