Home / 121,030.80-181,330.20-58,563.60

Finding the Fourth Proportional to 121,030.80, 181,330.20 and 58,563.60

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Solution

The fourth proportional to 121,030.80, 181,330.20 and 58,563.60 is: 87,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,030.80 : 181,330.20 = 58,563.60 : x
  2. Step 2: Convert to fraction form
    121,030.80/181,330.20 = 58,563.60/x
  3. Step 3: Cross multiply
    121,030.80x = 181,330.20 × 58,563.60
  4. Step 4: Simplify right side
    121,030.80x = 10,619,349,300.72
  5. Step 5: Solve for x
    x = 10,619,349,300.72/121,030.80
  6. Step 6: Final answer
    x = 87,740.88

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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.