Home / 145,312.92-200,534.22-79,904.52

Finding the Fourth Proportional to 145,312.92, 200,534.22 and 79,904.52

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Solution

The fourth proportional to 145,312.92, 200,534.22 and 79,904.52 is: 110,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,312.92 : 200,534.22 = 79,904.52 : x
  2. Step 2: Convert to fraction form
    145,312.92/200,534.22 = 79,904.52/x
  3. Step 3: Cross multiply
    145,312.92x = 200,534.22 × 79,904.52
  4. Step 4: Simplify right side
    145,312.92x = 16,023,590,592.67
  5. Step 5: Solve for x
    x = 16,023,590,592.67/145,312.92
  6. Step 6: Final answer
    x = 110,269.55

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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.