Home / 112,904.47-155,815.10-62,603.47

Finding the Fourth Proportional to 112,904.47, 155,815.10 and 62,603.47

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Solution

The fourth proportional to 112,904.47, 155,815.10 and 62,603.47 is: 86,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,904.47 : 155,815.10 = 62,603.47 : x
  2. Step 2: Convert to fraction form
    112,904.47/155,815.10 = 62,603.47/x
  3. Step 3: Cross multiply
    112,904.47x = 155,815.10 × 62,603.47
  4. Step 4: Simplify right side
    112,904.47x = 9,754,565,938.40
  5. Step 5: Solve for x
    x = 9,754,565,938.40/112,904.47
  6. Step 6: Final answer
    x = 86,396.63

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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.