Home / 112,646.25-155,456.69-62,345.25

Finding the Fourth Proportional to 112,646.25, 155,456.69 and 62,345.25

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Solution

The fourth proportional to 112,646.25, 155,456.69 and 62,345.25 is: 86,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,646.25 : 155,456.69 = 62,345.25 : x
  2. Step 2: Convert to fraction form
    112,646.25/155,456.69 = 62,345.25/x
  3. Step 3: Cross multiply
    112,646.25x = 155,456.69 × 62,345.25
  4. Step 4: Simplify right side
    112,646.25x = 9,691,985,890.50
  5. Step 5: Solve for x
    x = 9,691,985,890.50/112,646.25
  6. Step 6: Final answer
    x = 86,039.13

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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.