Home / 145,667.16-218,461.86-40,491.90

Finding the Fourth Proportional to 145,667.16, 218,461.86 and 40,491.90

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Solution

The fourth proportional to 145,667.16, 218,461.86 and 40,491.90 is: 60,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,667.16 : 218,461.86 = 40,491.90 : x
  2. Step 2: Convert to fraction form
    145,667.16/218,461.86 = 40,491.90/x
  3. Step 3: Cross multiply
    145,667.16x = 218,461.86 × 40,491.90
  4. Step 4: Simplify right side
    145,667.16x = 8,845,935,788.93
  5. Step 5: Solve for x
    x = 8,845,935,788.93/145,667.16
  6. Step 6: Final answer
    x = 60,727.04

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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.