Home / 372,178.55-558,271.20-105,938.96

Finding the Fourth Proportional to 372,178.55, 558,271.20 and 105,938.96

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Solution

The fourth proportional to 372,178.55, 558,271.20 and 105,938.96 is: 158,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,178.55 : 558,271.20 = 105,938.96 : x
  2. Step 2: Convert to fraction form
    372,178.55/558,271.20 = 105,938.96/x
  3. Step 3: Cross multiply
    372,178.55x = 558,271.20 × 105,938.96
  4. Step 4: Simplify right side
    372,178.55x = 59,142,670,325.95
  5. Step 5: Solve for x
    x = 59,142,670,325.95/372,178.55
  6. Step 6: Final answer
    x = 158,909.40

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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.