Home / 103,619.04-142,988.40-58,298.94

Finding the Fourth Proportional to 103,619.04, 142,988.40 and 58,298.94

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Solution

The fourth proportional to 103,619.04, 142,988.40 and 58,298.94 is: 80,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,619.04 : 142,988.40 = 58,298.94 : x
  2. Step 2: Convert to fraction form
    103,619.04/142,988.40 = 58,298.94/x
  3. Step 3: Cross multiply
    103,619.04x = 142,988.40 × 58,298.94
  4. Step 4: Simplify right side
    103,619.04x = 8,336,072,152.30
  5. Step 5: Solve for x
    x = 8,336,072,152.30/103,619.04
  6. Step 6: Final answer
    x = 80,449.23

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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.