Home / 121,213.04-181,895.28-46,339.52

Finding the Fourth Proportional to 121,213.04, 181,895.28 and 46,339.52

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Solution

The fourth proportional to 121,213.04, 181,895.28 and 46,339.52 is: 69,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,213.04 : 181,895.28 = 46,339.52 : x
  2. Step 2: Convert to fraction form
    121,213.04/181,895.28 = 46,339.52/x
  3. Step 3: Cross multiply
    121,213.04x = 181,895.28 × 46,339.52
  4. Step 4: Simplify right side
    121,213.04x = 8,428,939,965.47
  5. Step 5: Solve for x
    x = 8,428,939,965.47/121,213.04
  6. Step 6: Final answer
    x = 69,538.23

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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.