Home / 112,116.80-155,389.05-110,017.28

Finding the Fourth Proportional to 112,116.80, 155,389.05 and 110,017.28

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Solution

The fourth proportional to 112,116.80, 155,389.05 and 110,017.28 is: 152,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,116.80 : 155,389.05 = 110,017.28 : x
  2. Step 2: Convert to fraction form
    112,116.80/155,389.05 = 110,017.28/x
  3. Step 3: Cross multiply
    112,116.80x = 155,389.05 × 110,017.28
  4. Step 4: Simplify right side
    112,116.80x = 17,095,479,295.75
  5. Step 5: Solve for x
    x = 17,095,479,295.75/112,116.80
  6. Step 6: Final answer
    x = 152,479.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.