Home / 181,740.78-272,637.09-57,091.50

Finding the Fourth Proportional to 181,740.78, 272,637.09 and 57,091.50

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Solution

The fourth proportional to 181,740.78, 272,637.09 and 57,091.50 is: 85,645.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,740.78 : 272,637.09 = 57,091.50 : x
  2. Step 2: Convert to fraction form
    181,740.78/272,637.09 = 57,091.50/x
  3. Step 3: Cross multiply
    181,740.78x = 272,637.09 × 57,091.50
  4. Step 4: Simplify right side
    181,740.78x = 15,565,260,423.74
  5. Step 5: Solve for x
    x = 15,565,260,423.74/181,740.78
  6. Step 6: Final answer
    x = 85,645.39

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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.