Home / 112,870.40-169,377.60-53,772.80

Finding the Fourth Proportional to 112,870.40, 169,377.60 and 53,772.80

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Solution

The fourth proportional to 112,870.40, 169,377.60 and 53,772.80 is: 80,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,870.40 : 169,377.60 = 53,772.80 : x
  2. Step 2: Convert to fraction form
    112,870.40/169,377.60 = 53,772.80/x
  3. Step 3: Cross multiply
    112,870.40x = 169,377.60 × 53,772.80
  4. Step 4: Simplify right side
    112,870.40x = 9,107,907,809.28
  5. Step 5: Solve for x
    x = 9,107,907,809.28/112,870.40
  6. Step 6: Final answer
    x = 80,693.50

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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.