Home / 104,621.10-144,378.55-56,875.48

Finding the Fourth Proportional to 104,621.10, 144,378.55 and 56,875.48

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Solution

The fourth proportional to 104,621.10, 144,378.55 and 56,875.48 is: 78,488.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,621.10 : 144,378.55 = 56,875.48 : x
  2. Step 2: Convert to fraction form
    104,621.10/144,378.55 = 56,875.48/x
  3. Step 3: Cross multiply
    104,621.10x = 144,378.55 × 56,875.48
  4. Step 4: Simplify right side
    104,621.10x = 8,211,599,332.95
  5. Step 5: Solve for x
    x = 8,211,599,332.95/104,621.10
  6. Step 6: Final answer
    x = 78,488.94

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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.