Home / 155,794.08-233,830-72,734.88

Finding the Fourth Proportional to 155,794.08, 233,830 and 72,734.88

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Solution

The fourth proportional to 155,794.08, 233,830 and 72,734.88 is: 109,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,794.08 : 233,830 = 72,734.88 : x
  2. Step 2: Convert to fraction form
    155,794.08/233,830 = 72,734.88/x
  3. Step 3: Cross multiply
    155,794.08x = 233,830 × 72,734.88
  4. Step 4: Simplify right side
    155,794.08x = 17,007,596,990.40
  5. Step 5: Solve for x
    x = 17,007,596,990.40/155,794.08
  6. Step 6: Final answer
    x = 109,167.16

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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.