Home / 99,263.58-137,000.07-72,494.70

Finding the Fourth Proportional to 99,263.58, 137,000.07 and 72,494.70

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Solution

The fourth proportional to 99,263.58, 137,000.07 and 72,494.70 is: 100,054.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,263.58 : 137,000.07 = 72,494.70 : x
  2. Step 2: Convert to fraction form
    99,263.58/137,000.07 = 72,494.70/x
  3. Step 3: Cross multiply
    99,263.58x = 137,000.07 × 72,494.70
  4. Step 4: Simplify right side
    99,263.58x = 9,931,778,974.63
  5. Step 5: Solve for x
    x = 9,931,778,974.63/99,263.58
  6. Step 6: Final answer
    x = 100,054.61

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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.