Home / 124,919.60-187,465.80-89,884.40

Finding the Fourth Proportional to 124,919.60, 187,465.80 and 89,884.40

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Solution

The fourth proportional to 124,919.60, 187,465.80 and 89,884.40 is: 134,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,919.60 : 187,465.80 = 89,884.40 : x
  2. Step 2: Convert to fraction form
    124,919.60/187,465.80 = 89,884.40/x
  3. Step 3: Cross multiply
    124,919.60x = 187,465.80 × 89,884.40
  4. Step 4: Simplify right side
    124,919.60x = 16,850,250,953.52
  5. Step 5: Solve for x
    x = 16,850,250,953.52/124,919.60
  6. Step 6: Final answer
    x = 134,888.77

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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.