Home / 104,785.30-144,603.93-57,038.55

Finding the Fourth Proportional to 104,785.30, 144,603.93 and 57,038.55

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Solution

The fourth proportional to 104,785.30, 144,603.93 and 57,038.55 is: 78,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,785.30 : 144,603.93 = 57,038.55 : x
  2. Step 2: Convert to fraction form
    104,785.30/144,603.93 = 57,038.55/x
  3. Step 3: Cross multiply
    104,785.30x = 144,603.93 × 57,038.55
  4. Step 4: Simplify right side
    104,785.30x = 8,247,998,491.50
  5. Step 5: Solve for x
    x = 8,247,998,491.50/104,785.30
  6. Step 6: Final answer
    x = 78,713.32

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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.