Home / 148,945.66-205,347.51-123,357.76

Finding the Fourth Proportional to 148,945.66, 205,347.51 and 123,357.76

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Solution

The fourth proportional to 148,945.66, 205,347.51 and 123,357.76 is: 170,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,945.66 : 205,347.51 = 123,357.76 : x
  2. Step 2: Convert to fraction form
    148,945.66/205,347.51 = 123,357.76/x
  3. Step 3: Cross multiply
    148,945.66x = 205,347.51 × 123,357.76
  4. Step 4: Simplify right side
    148,945.66x = 25,331,208,341.81
  5. Step 5: Solve for x
    x = 25,331,208,341.81/148,945.66
  6. Step 6: Final answer
    x = 170,070.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.