Home / 136,938.18-205,576.42-64,959.91

Finding the Fourth Proportional to 136,938.18, 205,576.42 and 64,959.91

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Solution

The fourth proportional to 136,938.18, 205,576.42 and 64,959.91 is: 97,520.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,938.18 : 205,576.42 = 64,959.91 : x
  2. Step 2: Convert to fraction form
    136,938.18/205,576.42 = 64,959.91/x
  3. Step 3: Cross multiply
    136,938.18x = 205,576.42 × 64,959.91
  4. Step 4: Simplify right side
    136,938.18x = 13,354,225,741.32
  5. Step 5: Solve for x
    x = 13,354,225,741.32/136,938.18
  6. Step 6: Final answer
    x = 97,520.11

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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.