Home / 459,461.14-689,234.93-135,249.45

Finding the Fourth Proportional to 459,461.14, 689,234.93 and 135,249.45

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Solution

The fourth proportional to 459,461.14, 689,234.93 and 135,249.45 is: 202,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,461.14 : 689,234.93 = 135,249.45 : x
  2. Step 2: Convert to fraction form
    459,461.14/689,234.93 = 135,249.45/x
  3. Step 3: Cross multiply
    459,461.14x = 689,234.93 × 135,249.45
  4. Step 4: Simplify right side
    459,461.14x = 93,218,646,233.89
  5. Step 5: Solve for x
    x = 93,218,646,233.89/459,461.14
  6. Step 6: Final answer
    x = 202,886.90

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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.