Home / 77,426.10-116,225.55-72,350.10

Finding the Fourth Proportional to 77,426.10, 116,225.55 and 72,350.10

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Solution

The fourth proportional to 77,426.10, 116,225.55 and 72,350.10 is: 108,605.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,426.10 : 116,225.55 = 72,350.10 : x
  2. Step 2: Convert to fraction form
    77,426.10/116,225.55 = 72,350.10/x
  3. Step 3: Cross multiply
    77,426.10x = 116,225.55 × 72,350.10
  4. Step 4: Simplify right side
    77,426.10x = 8,408,930,165.06
  5. Step 5: Solve for x
    x = 8,408,930,165.06/77,426.10
  6. Step 6: Final answer
    x = 108,605.89

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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.