Home / 148,820.01-205,350.06-85,145.91

Finding the Fourth Proportional to 148,820.01, 205,350.06 and 85,145.91

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Solution

The fourth proportional to 148,820.01, 205,350.06 and 85,145.91 is: 117,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,820.01 : 205,350.06 = 85,145.91 : x
  2. Step 2: Convert to fraction form
    148,820.01/205,350.06 = 85,145.91/x
  3. Step 3: Cross multiply
    148,820.01x = 205,350.06 × 85,145.91
  4. Step 4: Simplify right side
    148,820.01x = 17,484,717,727.25
  5. Step 5: Solve for x
    x = 17,484,717,727.25/148,820.01
  6. Step 6: Final answer
    x = 117,489.02

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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.