Home / 134,860.57-202,228.29-78,716.92

Finding the Fourth Proportional to 134,860.57, 202,228.29 and 78,716.92

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Solution

The fourth proportional to 134,860.57, 202,228.29 and 78,716.92 is: 118,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,860.57 : 202,228.29 = 78,716.92 : x
  2. Step 2: Convert to fraction form
    134,860.57/202,228.29 = 78,716.92/x
  3. Step 3: Cross multiply
    134,860.57x = 202,228.29 × 78,716.92
  4. Step 4: Simplify right side
    134,860.57x = 15,918,788,125.67
  5. Step 5: Solve for x
    x = 15,918,788,125.67/134,860.57
  6. Step 6: Final answer
    x = 118,038.86

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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.