Home / 145,733.76-218,707.20-93,271.68

Finding the Fourth Proportional to 145,733.76, 218,707.20 and 93,271.68

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Solution

The fourth proportional to 145,733.76, 218,707.20 and 93,271.68 is: 139,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,733.76 : 218,707.20 = 93,271.68 : x
  2. Step 2: Convert to fraction form
    145,733.76/218,707.20 = 93,271.68/x
  3. Step 3: Cross multiply
    145,733.76x = 218,707.20 × 93,271.68
  4. Step 4: Simplify right side
    145,733.76x = 20,399,187,972.10
  5. Step 5: Solve for x
    x = 20,399,187,972.10/145,733.76
  6. Step 6: Final answer
    x = 139,975.72

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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.