Home / 105,314.22-145,333.63-57,567.76

Finding the Fourth Proportional to 105,314.22, 145,333.63 and 57,567.76

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Solution

The fourth proportional to 105,314.22, 145,333.63 and 57,567.76 is: 79,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,314.22 : 145,333.63 = 57,567.76 : x
  2. Step 2: Convert to fraction form
    105,314.22/145,333.63 = 57,567.76/x
  3. Step 3: Cross multiply
    105,314.22x = 145,333.63 × 57,567.76
  4. Step 4: Simplify right side
    105,314.22x = 8,366,531,531.77
  5. Step 5: Solve for x
    x = 8,366,531,531.77/105,314.22
  6. Step 6: Final answer
    x = 79,443.51

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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.