Home / 139,346.04-192,298.55-75,683.86

Finding the Fourth Proportional to 139,346.04, 192,298.55 and 75,683.86

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Solution

The fourth proportional to 139,346.04, 192,298.55 and 75,683.86 is: 104,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,346.04 : 192,298.55 = 75,683.86 : x
  2. Step 2: Convert to fraction form
    139,346.04/192,298.55 = 75,683.86/x
  3. Step 3: Cross multiply
    139,346.04x = 192,298.55 × 75,683.86
  4. Step 4: Simplify right side
    139,346.04x = 14,553,896,536.40
  5. Step 5: Solve for x
    x = 14,553,896,536.40/139,346.04
  6. Step 6: Final answer
    x = 104,444.28

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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.