Home / 121,008.93-166,703.28-84,642.47

Finding the Fourth Proportional to 121,008.93, 166,703.28 and 84,642.47

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Solution

The fourth proportional to 121,008.93, 166,703.28 and 84,642.47 is: 116,604.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,008.93 : 166,703.28 = 84,642.47 : x
  2. Step 2: Convert to fraction form
    121,008.93/166,703.28 = 84,642.47/x
  3. Step 3: Cross multiply
    121,008.93x = 166,703.28 × 84,642.47
  4. Step 4: Simplify right side
    121,008.93x = 14,110,178,495.18
  5. Step 5: Solve for x
    x = 14,110,178,495.18/121,008.93
  6. Step 6: Final answer
    x = 116,604.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.