Home / 152,835.40-228,815.70-135,339.40

Finding the Fourth Proportional to 152,835.40, 228,815.70 and 135,339.40

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Solution

The fourth proportional to 152,835.40, 228,815.70 and 135,339.40 is: 202,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,835.40 : 228,815.70 = 135,339.40 : x
  2. Step 2: Convert to fraction form
    152,835.40/228,815.70 = 135,339.40/x
  3. Step 3: Cross multiply
    152,835.40x = 228,815.70 × 135,339.40
  4. Step 4: Simplify right side
    152,835.40x = 30,967,779,548.58
  5. Step 5: Solve for x
    x = 30,967,779,548.58/152,835.40
  6. Step 6: Final answer
    x = 202,621.77

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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.