Home / 104,638.60-144,397.32-56,890.30

Finding the Fourth Proportional to 104,638.60, 144,397.32 and 56,890.30

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Solution

The fourth proportional to 104,638.60, 144,397.32 and 56,890.30 is: 78,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,638.60 : 144,397.32 = 56,890.30 : x
  2. Step 2: Convert to fraction form
    104,638.60/144,397.32 = 56,890.30/x
  3. Step 3: Cross multiply
    104,638.60x = 144,397.32 × 56,890.30
  4. Step 4: Simplify right side
    104,638.60x = 8,214,806,854.00
  5. Step 5: Solve for x
    x = 8,214,806,854.00/104,638.60
  6. Step 6: Final answer
    x = 78,506.47

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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.