Home / 154,031.17-230,484.73-90,881.55

Finding the Fourth Proportional to 154,031.17, 230,484.73 and 90,881.55

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Solution

The fourth proportional to 154,031.17, 230,484.73 and 90,881.55 is: 135,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,031.17 : 230,484.73 = 90,881.55 : x
  2. Step 2: Convert to fraction form
    154,031.17/230,484.73 = 90,881.55/x
  3. Step 3: Cross multiply
    154,031.17x = 230,484.73 × 90,881.55
  4. Step 4: Simplify right side
    154,031.17x = 20,946,808,361.31
  5. Step 5: Solve for x
    x = 20,946,808,361.31/154,031.17
  6. Step 6: Final answer
    x = 135,990.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.