Home / 124,292.10-186,438.15-65,145.90

Finding the Fourth Proportional to 124,292.10, 186,438.15 and 65,145.90

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Solution

The fourth proportional to 124,292.10, 186,438.15 and 65,145.90 is: 97,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,292.10 : 186,438.15 = 65,145.90 : x
  2. Step 2: Convert to fraction form
    124,292.10/186,438.15 = 65,145.90/x
  3. Step 3: Cross multiply
    124,292.10x = 186,438.15 × 65,145.90
  4. Step 4: Simplify right side
    124,292.10x = 12,145,681,076.09
  5. Step 5: Solve for x
    x = 12,145,681,076.09/124,292.10
  6. Step 6: Final answer
    x = 97,718.85

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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.