Home / 161,581.46-242,343-56,430.50

Finding the Fourth Proportional to 161,581.46, 242,343 and 56,430.50

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Solution

The fourth proportional to 161,581.46, 242,343 and 56,430.50 is: 84,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,581.46 : 242,343 = 56,430.50 : x
  2. Step 2: Convert to fraction form
    161,581.46/242,343 = 56,430.50/x
  3. Step 3: Cross multiply
    161,581.46x = 242,343 × 56,430.50
  4. Step 4: Simplify right side
    161,581.46x = 13,675,535,449.79
  5. Step 5: Solve for x
    x = 13,675,535,449.79/161,581.46
  6. Step 6: Final answer
    x = 84,635.55

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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.