Home / 135,827.34-187,440.90-75,406.74

Finding the Fourth Proportional to 135,827.34, 187,440.90 and 75,406.74

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Solution

The fourth proportional to 135,827.34, 187,440.90 and 75,406.74 is: 104,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,827.34 : 187,440.90 = 75,406.74 : x
  2. Step 2: Convert to fraction form
    135,827.34/187,440.90 = 75,406.74/x
  3. Step 3: Cross multiply
    135,827.34x = 187,440.90 × 75,406.74
  4. Step 4: Simplify right side
    135,827.34x = 14,134,307,211.67
  5. Step 5: Solve for x
    x = 14,134,307,211.67/135,827.34
  6. Step 6: Final answer
    x = 104,060.84

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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.