Home / 152,345.80-228,000.30-133,683.40

Finding the Fourth Proportional to 152,345.80, 228,000.30 and 133,683.40

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Solution

The fourth proportional to 152,345.80, 228,000.30 and 133,683.40 is: 200,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,345.80 : 228,000.30 = 133,683.40 : x
  2. Step 2: Convert to fraction form
    152,345.80/228,000.30 = 133,683.40/x
  3. Step 3: Cross multiply
    152,345.80x = 228,000.30 × 133,683.40
  4. Step 4: Simplify right side
    152,345.80x = 30,479,855,305.02
  5. Step 5: Solve for x
    x = 30,479,855,305.02/152,345.80
  6. Step 6: Final answer
    x = 200,070.20

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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.