Home / 77,901.42-116,852.04-18,737.04

Finding the Fourth Proportional to 77,901.42, 116,852.04 and 18,737.04

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Solution

The fourth proportional to 77,901.42, 116,852.04 and 18,737.04 is: 28,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,901.42 : 116,852.04 = 18,737.04 : x
  2. Step 2: Convert to fraction form
    77,901.42/116,852.04 = 18,737.04/x
  3. Step 3: Cross multiply
    77,901.42x = 116,852.04 × 18,737.04
  4. Step 4: Simplify right side
    77,901.42x = 2,189,461,347.56
  5. Step 5: Solve for x
    x = 2,189,461,347.56/77,901.42
  6. Step 6: Final answer
    x = 28,105.54

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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.