Home / 236,038.32-354,123.09-102,930.21

Finding the Fourth Proportional to 236,038.32, 354,123.09 and 102,930.21

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Solution

The fourth proportional to 236,038.32, 354,123.09 and 102,930.21 is: 154,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,038.32 : 354,123.09 = 102,930.21 : x
  2. Step 2: Convert to fraction form
    236,038.32/354,123.09 = 102,930.21/x
  3. Step 3: Cross multiply
    236,038.32x = 354,123.09 × 102,930.21
  4. Step 4: Simplify right side
    236,038.32x = 36,449,964,019.55
  5. Step 5: Solve for x
    x = 36,449,964,019.55/236,038.32
  6. Step 6: Final answer
    x = 154,423.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.