Home / 103,104.04-142,281.14-60,665.32

Finding the Fourth Proportional to 103,104.04, 142,281.14 and 60,665.32

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Solution

The fourth proportional to 103,104.04, 142,281.14 and 60,665.32 is: 83,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,104.04 : 142,281.14 = 60,665.32 : x
  2. Step 2: Convert to fraction form
    103,104.04/142,281.14 = 60,665.32/x
  3. Step 3: Cross multiply
    103,104.04x = 142,281.14 × 60,665.32
  4. Step 4: Simplify right side
    103,104.04x = 8,631,530,888.06
  5. Step 5: Solve for x
    x = 8,631,530,888.06/103,104.04
  6. Step 6: Final answer
    x = 83,716.71

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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.