Home / 243,123.20-364,575.45-93,313.70

Finding the Fourth Proportional to 243,123.20, 364,575.45 and 93,313.70

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Solution

The fourth proportional to 243,123.20, 364,575.45 and 93,313.70 is: 139,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,123.20 : 364,575.45 = 93,313.70 : x
  2. Step 2: Convert to fraction form
    243,123.20/364,575.45 = 93,313.70/x
  3. Step 3: Cross multiply
    243,123.20x = 364,575.45 × 93,313.70
  4. Step 4: Simplify right side
    243,123.20x = 34,019,884,168.67
  5. Step 5: Solve for x
    x = 34,019,884,168.67/243,123.20
  6. Step 6: Final answer
    x = 139,928.58

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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.