Home / 84,154.50-116,124.91-58,715.55

Finding the Fourth Proportional to 84,154.50, 116,124.91 and 58,715.55

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Solution

The fourth proportional to 84,154.50, 116,124.91 and 58,715.55 is: 81,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,154.50 : 116,124.91 = 58,715.55 : x
  2. Step 2: Convert to fraction form
    84,154.50/116,124.91 = 58,715.55/x
  3. Step 3: Cross multiply
    84,154.50x = 116,124.91 × 58,715.55
  4. Step 4: Simplify right side
    84,154.50x = 6,818,337,812.56
  5. Step 5: Solve for x
    x = 6,818,337,812.56/84,154.50
  6. Step 6: Final answer
    x = 81,021.67

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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.