Home / 112,823.46-155,646.27-72,529.74

Finding the Fourth Proportional to 112,823.46, 155,646.27 and 72,529.74

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Solution

The fourth proportional to 112,823.46, 155,646.27 and 72,529.74 is: 100,058.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,823.46 : 155,646.27 = 72,529.74 : x
  2. Step 2: Convert to fraction form
    112,823.46/155,646.27 = 72,529.74/x
  3. Step 3: Cross multiply
    112,823.46x = 155,646.27 × 72,529.74
  4. Step 4: Simplify right side
    112,823.46x = 11,288,983,495.07
  5. Step 5: Solve for x
    x = 11,288,983,495.07/112,823.46
  6. Step 6: Final answer
    x = 100,058.83

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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.