Home / 145,598.74-218,399.34-40,425.92

Finding the Fourth Proportional to 145,598.74, 218,399.34 and 40,425.92

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Solution

The fourth proportional to 145,598.74, 218,399.34 and 40,425.92 is: 60,639.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,598.74 : 218,399.34 = 40,425.92 : x
  2. Step 2: Convert to fraction form
    145,598.74/218,399.34 = 40,425.92/x
  3. Step 3: Cross multiply
    145,598.74x = 218,399.34 × 40,425.92
  4. Step 4: Simplify right side
    145,598.74x = 8,828,994,246.89
  5. Step 5: Solve for x
    x = 8,828,994,246.89/145,598.74
  6. Step 6: Final answer
    x = 60,639.22

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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.