Home / 148,365.92-204,740.66-87,111.08

Finding the Fourth Proportional to 148,365.92, 204,740.66 and 87,111.08

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Solution

The fourth proportional to 148,365.92, 204,740.66 and 87,111.08 is: 120,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,365.92 : 204,740.66 = 87,111.08 : x
  2. Step 2: Convert to fraction form
    148,365.92/204,740.66 = 87,111.08/x
  3. Step 3: Cross multiply
    148,365.92x = 204,740.66 × 87,111.08
  4. Step 4: Simplify right side
    148,365.92x = 17,835,178,553.25
  5. Step 5: Solve for x
    x = 17,835,178,553.25/148,365.92
  6. Step 6: Final answer
    x = 120,210.75

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1.5x scale

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.