Home / 84,204.90-126,307.50-56,179.71

Finding the Fourth Proportional to 84,204.90, 126,307.50 and 56,179.71

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Solution

The fourth proportional to 84,204.90, 126,307.50 and 56,179.71 is: 84,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,204.90 : 126,307.50 = 56,179.71 : x
  2. Step 2: Convert to fraction form
    84,204.90/126,307.50 = 56,179.71/x
  3. Step 3: Cross multiply
    84,204.90x = 126,307.50 × 56,179.71
  4. Step 4: Simplify right side
    84,204.90x = 7,095,918,826.16
  5. Step 5: Solve for x
    x = 7,095,918,826.16/84,204.90
  6. Step 6: Final answer
    x = 84,269.67

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1.5x scale

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.