Home / 161,903.07-242,707.59-56,664.63

Finding the Fourth Proportional to 161,903.07, 242,707.59 and 56,664.63

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Solution

The fourth proportional to 161,903.07, 242,707.59 and 56,664.63 is: 84,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,903.07 : 242,707.59 = 56,664.63 : x
  2. Step 2: Convert to fraction form
    161,903.07/242,707.59 = 56,664.63/x
  3. Step 3: Cross multiply
    161,903.07x = 242,707.59 × 56,664.63
  4. Step 4: Simplify right side
    161,903.07x = 13,752,935,785.54
  5. Step 5: Solve for x
    x = 13,752,935,785.54/161,903.07
  6. Step 6: Final answer
    x = 84,945.49

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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.