Home / 112,465.69-155,191.93-61,475.20

Finding the Fourth Proportional to 112,465.69, 155,191.93 and 61,475.20

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Solution

The fourth proportional to 112,465.69, 155,191.93 and 61,475.20 is: 84,829.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,465.69 : 155,191.93 = 61,475.20 : x
  2. Step 2: Convert to fraction form
    112,465.69/155,191.93 = 61,475.20/x
  3. Step 3: Cross multiply
    112,465.69x = 155,191.93 × 61,475.20
  4. Step 4: Simplify right side
    112,465.69x = 9,540,454,935.14
  5. Step 5: Solve for x
    x = 9,540,454,935.14/112,465.69
  6. Step 6: Final answer
    x = 84,829.92

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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.