Home / 176,254.23-243,205.18-100,788.15

Finding the Fourth Proportional to 176,254.23, 243,205.18 and 100,788.15

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Solution

The fourth proportional to 176,254.23, 243,205.18 and 100,788.15 is: 139,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,254.23 : 243,205.18 = 100,788.15 : x
  2. Step 2: Convert to fraction form
    176,254.23/243,205.18 = 100,788.15/x
  3. Step 3: Cross multiply
    176,254.23x = 243,205.18 × 100,788.15
  4. Step 4: Simplify right side
    176,254.23x = 24,512,200,162.62
  5. Step 5: Solve for x
    x = 24,512,200,162.62/176,254.23
  6. Step 6: Final answer
    x = 139,072.98

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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.