Home / 148,557.19-205,005.72-84,017.92

Finding the Fourth Proportional to 148,557.19, 205,005.72 and 84,017.92

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Solution

The fourth proportional to 148,557.19, 205,005.72 and 84,017.92 is: 115,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,557.19 : 205,005.72 = 84,017.92 : x
  2. Step 2: Convert to fraction form
    148,557.19/205,005.72 = 84,017.92/x
  3. Step 3: Cross multiply
    148,557.19x = 205,005.72 × 84,017.92
  4. Step 4: Simplify right side
    148,557.19x = 17,224,154,182.50
  5. Step 5: Solve for x
    x = 17,224,154,182.50/148,557.19
  6. Step 6: Final answer
    x = 115,942.92

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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.