Home / 136,430.22-204,635.34-42,962.70

Finding the Fourth Proportional to 136,430.22, 204,635.34 and 42,962.70

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Solution

The fourth proportional to 136,430.22, 204,635.34 and 42,962.70 is: 64,440.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,430.22 : 204,635.34 = 42,962.70 : x
  2. Step 2: Convert to fraction form
    136,430.22/204,635.34 = 42,962.70/x
  3. Step 3: Cross multiply
    136,430.22x = 204,635.34 × 42,962.70
  4. Step 4: Simplify right side
    136,430.22x = 8,791,686,721.82
  5. Step 5: Solve for x
    x = 8,791,686,721.82/136,430.22
  6. Step 6: Final answer
    x = 64,440.90

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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.