Home / 153,023.20-229,534.80-40,703.20

Finding the Fourth Proportional to 153,023.20, 229,534.80 and 40,703.20

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Solution

The fourth proportional to 153,023.20, 229,534.80 and 40,703.20 is: 61,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,023.20 : 229,534.80 = 40,703.20 : x
  2. Step 2: Convert to fraction form
    153,023.20/229,534.80 = 40,703.20/x
  3. Step 3: Cross multiply
    153,023.20x = 229,534.80 × 40,703.20
  4. Step 4: Simplify right side
    153,023.20x = 9,342,800,871.36
  5. Step 5: Solve for x
    x = 9,342,800,871.36/153,023.20
  6. Step 6: Final answer
    x = 61,054.80

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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.