Home / 153,019.21-229,528.51-40,699.54

Finding the Fourth Proportional to 153,019.21, 229,528.51 and 40,699.54

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Solution

The fourth proportional to 153,019.21, 229,528.51 and 40,699.54 is: 61,049.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,019.21 : 229,528.51 = 40,699.54 : x
  2. Step 2: Convert to fraction form
    153,019.21/229,528.51 = 40,699.54/x
  3. Step 3: Cross multiply
    153,019.21x = 229,528.51 × 40,699.54
  4. Step 4: Simplify right side
    153,019.21x = 9,341,704,875.63
  5. Step 5: Solve for x
    x = 9,341,704,875.63/153,019.21
  6. Step 6: Final answer
    x = 61,049.23

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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.