Home / 121,184.19-181,859.28-42,298.41

Finding the Fourth Proportional to 121,184.19, 181,859.28 and 42,298.41

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Solution

The fourth proportional to 121,184.19, 181,859.28 and 42,298.41 is: 63,476.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,184.19 : 181,859.28 = 42,298.41 : x
  2. Step 2: Convert to fraction form
    121,184.19/181,859.28 = 42,298.41/x
  3. Step 3: Cross multiply
    121,184.19x = 181,859.28 × 42,298.41
  4. Step 4: Simplify right side
    121,184.19x = 7,692,358,387.74
  5. Step 5: Solve for x
    x = 7,692,358,387.74/121,184.19
  6. Step 6: Final answer
    x = 63,476.58

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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.