Home / 153,243.04-211,471.36-85,260.15

Finding the Fourth Proportional to 153,243.04, 211,471.36 and 85,260.15

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Solution

The fourth proportional to 153,243.04, 211,471.36 and 85,260.15 is: 117,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,243.04 : 211,471.36 = 85,260.15 : x
  2. Step 2: Convert to fraction form
    153,243.04/211,471.36 = 85,260.15/x
  3. Step 3: Cross multiply
    153,243.04x = 211,471.36 × 85,260.15
  4. Step 4: Simplify right side
    153,243.04x = 18,030,079,187.86
  5. Step 5: Solve for x
    x = 18,030,079,187.86/153,243.04
  6. Step 6: Final answer
    x = 117,656.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.