Home / 99,600.48-137,446.81-54,278.77

Finding the Fourth Proportional to 99,600.48, 137,446.81 and 54,278.77

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Solution

The fourth proportional to 99,600.48, 137,446.81 and 54,278.77 is: 74,903.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,600.48 : 137,446.81 = 54,278.77 : x
  2. Step 2: Convert to fraction form
    99,600.48/137,446.81 = 54,278.77/x
  3. Step 3: Cross multiply
    99,600.48x = 137,446.81 × 54,278.77
  4. Step 4: Simplify right side
    99,600.48x = 7,460,443,515.83
  5. Step 5: Solve for x
    x = 7,460,443,515.83/99,600.48
  6. Step 6: Final answer
    x = 74,903.69

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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.