Home / 174,666.40-261,999.60-155,312.80

Finding the Fourth Proportional to 174,666.40, 261,999.60 and 155,312.80

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Solution

The fourth proportional to 174,666.40, 261,999.60 and 155,312.80 is: 232,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,666.40 : 261,999.60 = 155,312.80 : x
  2. Step 2: Convert to fraction form
    174,666.40/261,999.60 = 155,312.80/x
  3. Step 3: Cross multiply
    174,666.40x = 261,999.60 × 155,312.80
  4. Step 4: Simplify right side
    174,666.40x = 40,691,891,474.88
  5. Step 5: Solve for x
    x = 40,691,891,474.88/174,666.40
  6. Step 6: Final answer
    x = 232,969.20

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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.