Home / 120,973.42-181,325.67-91,295.02

Finding the Fourth Proportional to 120,973.42, 181,325.67 and 91,295.02

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Solution

The fourth proportional to 120,973.42, 181,325.67 and 91,295.02 is: 136,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,973.42 : 181,325.67 = 91,295.02 : x
  2. Step 2: Convert to fraction form
    120,973.42/181,325.67 = 91,295.02/x
  3. Step 3: Cross multiply
    120,973.42x = 181,325.67 × 91,295.02
  4. Step 4: Simplify right side
    120,973.42x = 16,554,130,669.16
  5. Step 5: Solve for x
    x = 16,554,130,669.16/120,973.42
  6. Step 6: Final answer
    x = 136,841.06

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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.