Home / 105,315.30-145,335.08-57,568.83

Finding the Fourth Proportional to 105,315.30, 145,335.08 and 57,568.83

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Solution

The fourth proportional to 105,315.30, 145,335.08 and 57,568.83 is: 79,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,315.30 : 145,335.08 = 57,568.83 : x
  2. Step 2: Convert to fraction form
    105,315.30/145,335.08 = 57,568.83/x
  3. Step 3: Cross multiply
    105,315.30x = 145,335.08 × 57,568.83
  4. Step 4: Simplify right side
    105,315.30x = 8,366,770,225.71
  5. Step 5: Solve for x
    x = 8,366,770,225.71/105,315.30
  6. Step 6: Final answer
    x = 79,444.96

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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.