Home / 136,927.20-205,045.20-89,925.60

Finding the Fourth Proportional to 136,927.20, 205,045.20 and 89,925.60

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Solution

The fourth proportional to 136,927.20, 205,045.20 and 89,925.60 is: 134,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,927.20 : 205,045.20 = 89,925.60 : x
  2. Step 2: Convert to fraction form
    136,927.20/205,045.20 = 89,925.60/x
  3. Step 3: Cross multiply
    136,927.20x = 205,045.20 × 89,925.60
  4. Step 4: Simplify right side
    136,927.20x = 18,438,812,637.12
  5. Step 5: Solve for x
    x = 18,438,812,637.12/136,927.20
  6. Step 6: Final answer
    x = 134,661.43

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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.