Home / 98,714.42-136,225.46-53,392.30

Finding the Fourth Proportional to 98,714.42, 136,225.46 and 53,392.30

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Solution

The fourth proportional to 98,714.42, 136,225.46 and 53,392.30 is: 73,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,714.42 : 136,225.46 = 53,392.30 : x
  2. Step 2: Convert to fraction form
    98,714.42/136,225.46 = 53,392.30/x
  3. Step 3: Cross multiply
    98,714.42x = 136,225.46 × 53,392.30
  4. Step 4: Simplify right side
    98,714.42x = 7,273,390,339.30
  5. Step 5: Solve for x
    x = 7,273,390,339.30/98,714.42
  6. Step 6: Final answer
    x = 73,681.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.