Home / 109,780.57-151,495.21-62,032.89

Finding the Fourth Proportional to 109,780.57, 151,495.21 and 62,032.89

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Solution

The fourth proportional to 109,780.57, 151,495.21 and 62,032.89 is: 85,604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,780.57 : 151,495.21 = 62,032.89 : x
  2. Step 2: Convert to fraction form
    109,780.57/151,495.21 = 62,032.89/x
  3. Step 3: Cross multiply
    109,780.57x = 151,495.21 × 62,032.89
  4. Step 4: Simplify right side
    109,780.57x = 9,397,685,697.46
  5. Step 5: Solve for x
    x = 9,397,685,697.46/109,780.57
  6. Step 6: Final answer
    x = 85,604.27

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1.5x scale

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.