Home / 131,077.40-196,594.50-56,209.64

Finding the Fourth Proportional to 131,077.40, 196,594.50 and 56,209.64

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Solution

The fourth proportional to 131,077.40, 196,594.50 and 56,209.64 is: 84,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,077.40 : 196,594.50 = 56,209.64 : x
  2. Step 2: Convert to fraction form
    131,077.40/196,594.50 = 56,209.64/x
  3. Step 3: Cross multiply
    131,077.40x = 196,594.50 × 56,209.64
  4. Step 4: Simplify right side
    131,077.40x = 11,050,506,070.98
  5. Step 5: Solve for x
    x = 11,050,506,070.98/131,077.40
  6. Step 6: Final answer
    x = 84,305.20

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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.