Home / 181,823.40-272,783.70-129,335.40

Finding the Fourth Proportional to 181,823.40, 272,783.70 and 129,335.40

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Solution

The fourth proportional to 181,823.40, 272,783.70 and 129,335.40 is: 194,037.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,823.40 : 272,783.70 = 129,335.40 : x
  2. Step 2: Convert to fraction form
    181,823.40/272,783.70 = 129,335.40/x
  3. Step 3: Cross multiply
    181,823.40x = 272,783.70 × 129,335.40
  4. Step 4: Simplify right side
    181,823.40x = 35,280,588,952.98
  5. Step 5: Solve for x
    x = 35,280,588,952.98/181,823.40
  6. Step 6: Final answer
    x = 194,037.67

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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.