Home / 155,211.19-232,859.76-61,782.55

Finding the Fourth Proportional to 155,211.19, 232,859.76 and 61,782.55

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Solution

The fourth proportional to 155,211.19, 232,859.76 and 61,782.55 is: 92,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,211.19 : 232,859.76 = 61,782.55 : x
  2. Step 2: Convert to fraction form
    155,211.19/232,859.76 = 61,782.55/x
  3. Step 3: Cross multiply
    155,211.19x = 232,859.76 × 61,782.55
  4. Step 4: Simplify right side
    155,211.19x = 14,386,669,765.19
  5. Step 5: Solve for x
    x = 14,386,669,765.19/155,211.19
  6. Step 6: Final answer
    x = 92,690.93

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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.