Home / 137,925.60-190,337.49-77,496.20

Finding the Fourth Proportional to 137,925.60, 190,337.49 and 77,496.20

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Solution

The fourth proportional to 137,925.60, 190,337.49 and 77,496.20 is: 106,944.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,925.60 : 190,337.49 = 77,496.20 : x
  2. Step 2: Convert to fraction form
    137,925.60/190,337.49 = 77,496.20/x
  3. Step 3: Cross multiply
    137,925.60x = 190,337.49 × 77,496.20
  4. Step 4: Simplify right side
    137,925.60x = 14,750,431,240.85
  5. Step 5: Solve for x
    x = 14,750,431,240.85/137,925.60
  6. Step 6: Final answer
    x = 106,944.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.