Home / 111,484.47-153,804.77-63,712.19

Finding the Fourth Proportional to 111,484.47, 153,804.77 and 63,712.19

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Solution

The fourth proportional to 111,484.47, 153,804.77 and 63,712.19 is: 87,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,484.47 : 153,804.77 = 63,712.19 : x
  2. Step 2: Convert to fraction form
    111,484.47/153,804.77 = 63,712.19/x
  3. Step 3: Cross multiply
    111,484.47x = 153,804.77 × 63,712.19
  4. Step 4: Simplify right side
    111,484.47x = 9,799,238,729.15
  5. Step 5: Solve for x
    x = 9,799,238,729.15/111,484.47
  6. Step 6: Final answer
    x = 87,897.79

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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.