Home / 145,838.04-218,738.61-57,153.83

Finding the Fourth Proportional to 145,838.04, 218,738.61 and 57,153.83

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Solution

The fourth proportional to 145,838.04, 218,738.61 and 57,153.83 is: 85,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,838.04 : 218,738.61 = 57,153.83 : x
  2. Step 2: Convert to fraction form
    145,838.04/218,738.61 = 57,153.83/x
  3. Step 3: Cross multiply
    145,838.04x = 218,738.61 × 57,153.83
  4. Step 4: Simplify right side
    145,838.04x = 12,501,748,236.68
  5. Step 5: Solve for x
    x = 12,501,748,236.68/145,838.04
  6. Step 6: Final answer
    x = 85,723.51

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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.