Home / 105,059.61-144,982.06-57,312.95

Finding the Fourth Proportional to 105,059.61, 144,982.06 and 57,312.95

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Solution

The fourth proportional to 105,059.61, 144,982.06 and 57,312.95 is: 79,091.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,059.61 : 144,982.06 = 57,312.95 : x
  2. Step 2: Convert to fraction form
    105,059.61/144,982.06 = 57,312.95/x
  3. Step 3: Cross multiply
    105,059.61x = 144,982.06 × 57,312.95
  4. Step 4: Simplify right side
    105,059.61x = 8,309,349,555.68
  5. Step 5: Solve for x
    x = 8,309,349,555.68/105,059.61
  6. Step 6: Final answer
    x = 79,091.76

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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.