Home / 104,555.40-144,283.24-56,807.72

Finding the Fourth Proportional to 104,555.40, 144,283.24 and 56,807.72

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Solution

The fourth proportional to 104,555.40, 144,283.24 and 56,807.72 is: 78,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,555.40 : 144,283.24 = 56,807.72 : x
  2. Step 2: Convert to fraction form
    104,555.40/144,283.24 = 56,807.72/x
  3. Step 3: Cross multiply
    104,555.40x = 144,283.24 × 56,807.72
  4. Step 4: Simplify right side
    104,555.40x = 8,196,401,898.61
  5. Step 5: Solve for x
    x = 8,196,401,898.61/104,555.40
  6. Step 6: Final answer
    x = 78,392.91

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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.