Home / 170,905.20-255,666.60-154,316.40

Finding the Fourth Proportional to 170,905.20, 255,666.60 and 154,316.40

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Solution

The fourth proportional to 170,905.20, 255,666.60 and 154,316.40 is: 230,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,905.20 : 255,666.60 = 154,316.40 : x
  2. Step 2: Convert to fraction form
    170,905.20/255,666.60 = 154,316.40/x
  3. Step 3: Cross multiply
    170,905.20x = 255,666.60 × 154,316.40
  4. Step 4: Simplify right side
    170,905.20x = 39,453,549,312.24
  5. Step 5: Solve for x
    x = 39,453,549,312.24/170,905.20
  6. Step 6: Final answer
    x = 230,850.49

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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.