Home / 139,237.21-208,574.91-64,253.19

Finding the Fourth Proportional to 139,237.21, 208,574.91 and 64,253.19

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Solution

The fourth proportional to 139,237.21, 208,574.91 and 64,253.19 is: 96,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,237.21 : 208,574.91 = 64,253.19 : x
  2. Step 2: Convert to fraction form
    139,237.21/208,574.91 = 64,253.19/x
  3. Step 3: Cross multiply
    139,237.21x = 208,574.91 × 64,253.19
  4. Step 4: Simplify right side
    139,237.21x = 13,401,603,321.46
  5. Step 5: Solve for x
    x = 13,401,603,321.46/139,237.21
  6. Step 6: Final answer
    x = 96,250.16

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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.