Home / 145,973.50-218,931.07-40,793.38

Finding the Fourth Proportional to 145,973.50, 218,931.07 and 40,793.38

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Solution

The fourth proportional to 145,973.50, 218,931.07 and 40,793.38 is: 61,181.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,973.50 : 218,931.07 = 40,793.38 : x
  2. Step 2: Convert to fraction form
    145,973.50/218,931.07 = 40,793.38/x
  3. Step 3: Cross multiply
    145,973.50x = 218,931.07 × 40,793.38
  4. Step 4: Simplify right side
    145,973.50x = 8,930,938,332.32
  5. Step 5: Solve for x
    x = 8,930,938,332.32/145,973.50
  6. Step 6: Final answer
    x = 61,181.92

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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.