Home / 136,312.96-204,477.60-42,818.71

Finding the Fourth Proportional to 136,312.96, 204,477.60 and 42,818.71

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Solution

The fourth proportional to 136,312.96, 204,477.60 and 42,818.71 is: 64,230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,312.96 : 204,477.60 = 42,818.71 : x
  2. Step 2: Convert to fraction form
    136,312.96/204,477.60 = 42,818.71/x
  3. Step 3: Cross multiply
    136,312.96x = 204,477.60 × 42,818.71
  4. Step 4: Simplify right side
    136,312.96x = 8,755,467,055.90
  5. Step 5: Solve for x
    x = 8,755,467,055.90/136,312.96
  6. Step 6: Final answer
    x = 64,230.63

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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.