Home / 99,340.72-148,938.18-46,721.50

Finding the Fourth Proportional to 99,340.72, 148,938.18 and 46,721.50

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Solution

The fourth proportional to 99,340.72, 148,938.18 and 46,721.50 is: 70,047.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,340.72 : 148,938.18 = 46,721.50 : x
  2. Step 2: Convert to fraction form
    99,340.72/148,938.18 = 46,721.50/x
  3. Step 3: Cross multiply
    99,340.72x = 148,938.18 × 46,721.50
  4. Step 4: Simplify right side
    99,340.72x = 6,958,615,176.87
  5. Step 5: Solve for x
    x = 6,958,615,176.87/99,340.72
  6. Step 6: Final answer
    x = 70,047.96

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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.