Home / 99,527.58-137,348.18-54,205.64

Finding the Fourth Proportional to 99,527.58, 137,348.18 and 54,205.64

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Solution

The fourth proportional to 99,527.58, 137,348.18 and 54,205.64 is: 74,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,527.58 : 137,348.18 = 54,205.64 : x
  2. Step 2: Convert to fraction form
    99,527.58/137,348.18 = 54,205.64/x
  3. Step 3: Cross multiply
    99,527.58x = 137,348.18 × 54,205.64
  4. Step 4: Simplify right side
    99,527.58x = 7,445,045,999.74
  5. Step 5: Solve for x
    x = 7,445,045,999.74/99,527.58
  6. Step 6: Final answer
    x = 74,803.85

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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.