Home / 145,854.37-218,690.83-61,571.17

Finding the Fourth Proportional to 145,854.37, 218,690.83 and 61,571.17

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Solution

The fourth proportional to 145,854.37, 218,690.83 and 61,571.17 is: 92,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,854.37 : 218,690.83 = 61,571.17 : x
  2. Step 2: Convert to fraction form
    145,854.37/218,690.83 = 61,571.17/x
  3. Step 3: Cross multiply
    145,854.37x = 218,690.83 × 61,571.17
  4. Step 4: Simplify right side
    145,854.37x = 13,465,050,271.37
  5. Step 5: Solve for x
    x = 13,465,050,271.37/145,854.37
  6. Step 6: Final answer
    x = 92,318.46

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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.