Home / 145,353.93-218,115.23-61,107.45

Finding the Fourth Proportional to 145,353.93, 218,115.23 and 61,107.45

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Solution

The fourth proportional to 145,353.93, 218,115.23 and 61,107.45 is: 91,696.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,353.93 : 218,115.23 = 61,107.45 : x
  2. Step 2: Convert to fraction form
    145,353.93/218,115.23 = 61,107.45/x
  3. Step 3: Cross multiply
    145,353.93x = 218,115.23 × 61,107.45
  4. Step 4: Simplify right side
    145,353.93x = 13,328,465,205.93
  5. Step 5: Solve for x
    x = 13,328,465,205.93/145,353.93
  6. Step 6: Final answer
    x = 91,696.63

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1.5x scale

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.