Home / 98,337.64-147,507.30-31,777.78

Finding the Fourth Proportional to 98,337.64, 147,507.30 and 31,777.78

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Solution

The fourth proportional to 98,337.64, 147,507.30 and 31,777.78 is: 47,666.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,337.64 : 147,507.30 = 31,777.78 : x
  2. Step 2: Convert to fraction form
    98,337.64/147,507.30 = 31,777.78/x
  3. Step 3: Cross multiply
    98,337.64x = 147,507.30 × 31,777.78
  4. Step 4: Simplify right side
    98,337.64x = 4,687,454,527.79
  5. Step 5: Solve for x
    x = 4,687,454,527.79/98,337.64
  6. Step 6: Final answer
    x = 47,666.94

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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.