Home / 150,303.04-207,418.26-86,640.28

Finding the Fourth Proportional to 150,303.04, 207,418.26 and 86,640.28

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Solution

The fourth proportional to 150,303.04, 207,418.26 and 86,640.28 is: 119,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,303.04 : 207,418.26 = 86,640.28 : x
  2. Step 2: Convert to fraction form
    150,303.04/207,418.26 = 86,640.28/x
  3. Step 3: Cross multiply
    150,303.04x = 207,418.26 × 86,640.28
  4. Step 4: Simplify right side
    150,303.04x = 17,970,776,123.51
  5. Step 5: Solve for x
    x = 17,970,776,123.51/150,303.04
  6. Step 6: Final answer
    x = 119,563.62

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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.