Home / 155,198.46-232,602.87-66,347.55

Finding the Fourth Proportional to 155,198.46, 232,602.87 and 66,347.55

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Solution

The fourth proportional to 155,198.46, 232,602.87 and 66,347.55 is: 99,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,198.46 : 232,602.87 = 66,347.55 : x
  2. Step 2: Convert to fraction form
    155,198.46/232,602.87 = 66,347.55/x
  3. Step 3: Cross multiply
    155,198.46x = 232,602.87 × 66,347.55
  4. Step 4: Simplify right side
    155,198.46x = 15,432,630,547.47
  5. Step 5: Solve for x
    x = 15,432,630,547.47/155,198.46
  6. Step 6: Final answer
    x = 99,438.04

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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.