Home / 174,014.40-261,021.60-120,870.30

Finding the Fourth Proportional to 174,014.40, 261,021.60 and 120,870.30

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Solution

The fourth proportional to 174,014.40, 261,021.60 and 120,870.30 is: 181,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,014.40 : 261,021.60 = 120,870.30 : x
  2. Step 2: Convert to fraction form
    174,014.40/261,021.60 = 120,870.30/x
  3. Step 3: Cross multiply
    174,014.40x = 261,021.60 × 120,870.30
  4. Step 4: Simplify right side
    174,014.40x = 31,549,759,098.48
  5. Step 5: Solve for x
    x = 31,549,759,098.48/174,014.40
  6. Step 6: Final answer
    x = 181,305.45

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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.