Home / 111,225.12-153,492.66-60,920.88

Finding the Fourth Proportional to 111,225.12, 153,492.66 and 60,920.88

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Solution

The fourth proportional to 111,225.12, 153,492.66 and 60,920.88 is: 84,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,225.12 : 153,492.66 = 60,920.88 : x
  2. Step 2: Convert to fraction form
    111,225.12/153,492.66 = 60,920.88/x
  3. Step 3: Cross multiply
    111,225.12x = 153,492.66 × 60,920.88
  4. Step 4: Simplify right side
    111,225.12x = 9,350,907,920.74
  5. Step 5: Solve for x
    x = 9,350,907,920.74/111,225.12
  6. Step 6: Final answer
    x = 84,071.91

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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.