Home / 90,898.16-136,056.18-48,672.68

Finding the Fourth Proportional to 90,898.16, 136,056.18 and 48,672.68

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Solution

The fourth proportional to 90,898.16, 136,056.18 and 48,672.68 is: 72,853.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,898.16 : 136,056.18 = 48,672.68 : x
  2. Step 2: Convert to fraction form
    90,898.16/136,056.18 = 48,672.68/x
  3. Step 3: Cross multiply
    90,898.16x = 136,056.18 × 48,672.68
  4. Step 4: Simplify right side
    90,898.16x = 6,622,218,911.16
  5. Step 5: Solve for x
    x = 6,622,218,911.16/90,898.16
  6. Step 6: Final answer
    x = 72,853.17

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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.