Home / 148,904.24-205,697.04-135,451.76

Finding the Fourth Proportional to 148,904.24, 205,697.04 and 135,451.76

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Solution

The fourth proportional to 148,904.24, 205,697.04 and 135,451.76 is: 187,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,904.24 : 205,697.04 = 135,451.76 : x
  2. Step 2: Convert to fraction form
    148,904.24/205,697.04 = 135,451.76/x
  3. Step 3: Cross multiply
    148,904.24x = 205,697.04 × 135,451.76
  4. Step 4: Simplify right side
    148,904.24x = 27,862,026,094.79
  5. Step 5: Solve for x
    x = 27,862,026,094.79/148,904.24
  6. Step 6: Final answer
    x = 187,113.72

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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.