Home / 111,071.14-153,282-60,770.14

Finding the Fourth Proportional to 111,071.14, 153,282 and 60,770.14

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Solution

The fourth proportional to 111,071.14, 153,282 and 60,770.14 is: 83,864.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,071.14 : 153,282 = 60,770.14 : x
  2. Step 2: Convert to fraction form
    111,071.14/153,282 = 60,770.14/x
  3. Step 3: Cross multiply
    111,071.14x = 153,282 × 60,770.14
  4. Step 4: Simplify right side
    111,071.14x = 9,314,968,599.48
  5. Step 5: Solve for x
    x = 9,314,968,599.48/111,071.14
  6. Step 6: Final answer
    x = 83,864.89

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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.