Home / 99,429.86-137,216.08-54,110.76

Finding the Fourth Proportional to 99,429.86, 137,216.08 and 54,110.76

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Solution

The fourth proportional to 99,429.86, 137,216.08 and 54,110.76 is: 74,674.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,429.86 : 137,216.08 = 54,110.76 : x
  2. Step 2: Convert to fraction form
    99,429.86/137,216.08 = 54,110.76/x
  3. Step 3: Cross multiply
    99,429.86x = 137,216.08 × 54,110.76
  4. Step 4: Simplify right side
    99,429.86x = 7,424,866,373.02
  5. Step 5: Solve for x
    x = 7,424,866,373.02/99,429.86
  6. Step 6: Final answer
    x = 74,674.41

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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.