Home / 121,275.32-181,842.35-46,400.63

Finding the Fourth Proportional to 121,275.32, 181,842.35 and 46,400.63

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Solution

The fourth proportional to 121,275.32, 181,842.35 and 46,400.63 is: 69,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,275.32 : 181,842.35 = 46,400.63 : x
  2. Step 2: Convert to fraction form
    121,275.32/181,842.35 = 46,400.63/x
  3. Step 3: Cross multiply
    121,275.32x = 181,842.35 × 46,400.63
  4. Step 4: Simplify right side
    121,275.32x = 8,437,598,459.47
  5. Step 5: Solve for x
    x = 8,437,598,459.47/121,275.32
  6. Step 6: Final answer
    x = 69,573.92

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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.