Home / 155,913.40-233,870.10-108,674.20

Finding the Fourth Proportional to 155,913.40, 233,870.10 and 108,674.20

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Solution

The fourth proportional to 155,913.40, 233,870.10 and 108,674.20 is: 163,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,913.40 : 233,870.10 = 108,674.20 : x
  2. Step 2: Convert to fraction form
    155,913.40/233,870.10 = 108,674.20/x
  3. Step 3: Cross multiply
    155,913.40x = 233,870.10 × 108,674.20
  4. Step 4: Simplify right side
    155,913.40x = 25,415,646,021.42
  5. Step 5: Solve for x
    x = 25,415,646,021.42/155,913.40
  6. Step 6: Final answer
    x = 163,011.30

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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.