Home / 112,646.36-155,452.04-61,659.36

Finding the Fourth Proportional to 112,646.36, 155,452.04 and 61,659.36

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Solution

The fourth proportional to 112,646.36, 155,452.04 and 61,659.36 is: 85,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,646.36 : 155,452.04 = 61,659.36 : x
  2. Step 2: Convert to fraction form
    112,646.36/155,452.04 = 61,659.36/x
  3. Step 3: Cross multiply
    112,646.36x = 155,452.04 × 61,659.36
  4. Step 4: Simplify right side
    112,646.36x = 9,585,072,988.80
  5. Step 5: Solve for x
    x = 9,585,072,988.80/112,646.36
  6. Step 6: Final answer
    x = 85,089.95

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1.5x scale

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.