Home / 145,432.14-218,106.06-56,665.86

Finding the Fourth Proportional to 145,432.14, 218,106.06 and 56,665.86

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Solution

The fourth proportional to 145,432.14, 218,106.06 and 56,665.86 is: 84,982.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,432.14 : 218,106.06 = 56,665.86 : x
  2. Step 2: Convert to fraction form
    145,432.14/218,106.06 = 56,665.86/x
  3. Step 3: Cross multiply
    145,432.14x = 218,106.06 × 56,665.86
  4. Step 4: Simplify right side
    145,432.14x = 12,359,167,461.11
  5. Step 5: Solve for x
    x = 12,359,167,461.11/145,432.14
  6. Step 6: Final answer
    x = 84,982.37

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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.