Home / 181,402.34-272,106.28-69,088.76

Finding the Fourth Proportional to 181,402.34, 272,106.28 and 69,088.76

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Solution

The fourth proportional to 181,402.34, 272,106.28 and 69,088.76 is: 103,634.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,402.34 : 272,106.28 = 69,088.76 : x
  2. Step 2: Convert to fraction form
    181,402.34/272,106.28 = 69,088.76/x
  3. Step 3: Cross multiply
    181,402.34x = 272,106.28 × 69,088.76
  4. Step 4: Simplify right side
    181,402.34x = 18,799,485,473.41
  5. Step 5: Solve for x
    x = 18,799,485,473.41/181,402.34
  6. Step 6: Final answer
    x = 103,634.19

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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.