Home / 90,869.40-136,360.80-34,714.53

Finding the Fourth Proportional to 90,869.40, 136,360.80 and 34,714.53

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Solution

The fourth proportional to 90,869.40, 136,360.80 and 34,714.53 is: 52,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,869.40 : 136,360.80 = 34,714.53 : x
  2. Step 2: Convert to fraction form
    90,869.40/136,360.80 = 34,714.53/x
  3. Step 3: Cross multiply
    90,869.40x = 136,360.80 × 34,714.53
  4. Step 4: Simplify right side
    90,869.40x = 4,733,701,082.42
  5. Step 5: Solve for x
    x = 4,733,701,082.42/90,869.40
  6. Step 6: Final answer
    x = 52,093.46

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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.