Home / 139,417.49-209,008.66-60,472.28

Finding the Fourth Proportional to 139,417.49, 209,008.66 and 60,472.28

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Solution

The fourth proportional to 139,417.49, 209,008.66 and 60,472.28 is: 90,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,417.49 : 209,008.66 = 60,472.28 : x
  2. Step 2: Convert to fraction form
    139,417.49/209,008.66 = 60,472.28/x
  3. Step 3: Cross multiply
    139,417.49x = 209,008.66 × 60,472.28
  4. Step 4: Simplify right side
    139,417.49x = 12,639,230,209.94
  5. Step 5: Solve for x
    x = 12,639,230,209.94/139,417.49
  6. Step 6: Final answer
    x = 90,657.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.