Home / 112,346.69-155,037.62-61,359.41

Finding the Fourth Proportional to 112,346.69, 155,037.62 and 61,359.41

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Solution

The fourth proportional to 112,346.69, 155,037.62 and 61,359.41 is: 84,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,346.69 : 155,037.62 = 61,359.41 : x
  2. Step 2: Convert to fraction form
    112,346.69/155,037.62 = 61,359.41/x
  3. Step 3: Cross multiply
    112,346.69x = 155,037.62 × 61,359.41
  4. Step 4: Simplify right side
    112,346.69x = 9,513,017,432.00
  5. Step 5: Solve for x
    x = 9,513,017,432.00/112,346.69
  6. Step 6: Final answer
    x = 84,675.55

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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.