Home / 112,346.84-155,037.80-61,359.59

Finding the Fourth Proportional to 112,346.84, 155,037.80 and 61,359.59

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Solution

The fourth proportional to 112,346.84, 155,037.80 and 61,359.59 is: 84,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,346.84 : 155,037.80 = 61,359.59 : x
  2. Step 2: Convert to fraction form
    112,346.84/155,037.80 = 61,359.59/x
  3. Step 3: Cross multiply
    112,346.84x = 155,037.80 × 61,359.59
  4. Step 4: Simplify right side
    112,346.84x = 9,513,055,842.50
  5. Step 5: Solve for x
    x = 9,513,055,842.50/112,346.84
  6. Step 6: Final answer
    x = 84,675.78

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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.