Home / 98,521.89-147,803.58-31,956.81

Finding the Fourth Proportional to 98,521.89, 147,803.58 and 31,956.81

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Solution

The fourth proportional to 98,521.89, 147,803.58 and 31,956.81 is: 47,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,521.89 : 147,803.58 = 31,956.81 : x
  2. Step 2: Convert to fraction form
    98,521.89/147,803.58 = 31,956.81/x
  3. Step 3: Cross multiply
    98,521.89x = 147,803.58 × 31,956.81
  4. Step 4: Simplify right side
    98,521.89x = 4,723,330,923.38
  5. Step 5: Solve for x
    x = 4,723,330,923.38/98,521.89
  6. Step 6: Final answer
    x = 47,941.94

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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.