Home / 153,205.07-229,807.67-40,885.70

Finding the Fourth Proportional to 153,205.07, 229,807.67 and 40,885.70

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Solution

The fourth proportional to 153,205.07, 229,807.67 and 40,885.70 is: 61,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,205.07 : 229,807.67 = 40,885.70 : x
  2. Step 2: Convert to fraction form
    153,205.07/229,807.67 = 40,885.70/x
  3. Step 3: Cross multiply
    153,205.07x = 229,807.67 × 40,885.70
  4. Step 4: Simplify right side
    153,205.07x = 9,395,846,099.85
  5. Step 5: Solve for x
    x = 9,395,846,099.85/153,205.07
  6. Step 6: Final answer
    x = 61,328.56

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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.