Home / 121,033.96-181,555.80-42,156.16

Finding the Fourth Proportional to 121,033.96, 181,555.80 and 42,156.16

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Solution

The fourth proportional to 121,033.96, 181,555.80 and 42,156.16 is: 63,235.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,033.96 : 181,555.80 = 42,156.16 : x
  2. Step 2: Convert to fraction form
    121,033.96/181,555.80 = 42,156.16/x
  3. Step 3: Cross multiply
    121,033.96x = 181,555.80 × 42,156.16
  4. Step 4: Simplify right side
    121,033.96x = 7,653,695,353.73
  5. Step 5: Solve for x
    x = 7,653,695,353.73/121,033.96
  6. Step 6: Final answer
    x = 63,235.93

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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.