Home / 76,133.40-114,329.70-56,434.20

Finding the Fourth Proportional to 76,133.40, 114,329.70 and 56,434.20

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Solution

The fourth proportional to 76,133.40, 114,329.70 and 56,434.20 is: 84,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,133.40 : 114,329.70 = 56,434.20 : x
  2. Step 2: Convert to fraction form
    76,133.40/114,329.70 = 56,434.20/x
  3. Step 3: Cross multiply
    76,133.40x = 114,329.70 × 56,434.20
  4. Step 4: Simplify right side
    76,133.40x = 6,452,105,155.74
  5. Step 5: Solve for x
    x = 6,452,105,155.74/76,133.40
  6. Step 6: Final answer
    x = 84,747.37

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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.