Home / 124,303.36-171,465.24-87,963.84

Finding the Fourth Proportional to 124,303.36, 171,465.24 and 87,963.84

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Solution

The fourth proportional to 124,303.36, 171,465.24 and 87,963.84 is: 121,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,303.36 : 171,465.24 = 87,963.84 : x
  2. Step 2: Convert to fraction form
    124,303.36/171,465.24 = 87,963.84/x
  3. Step 3: Cross multiply
    124,303.36x = 171,465.24 × 87,963.84
  4. Step 4: Simplify right side
    124,303.36x = 15,082,740,936.92
  5. Step 5: Solve for x
    x = 15,082,740,936.92/124,303.36
  6. Step 6: Final answer
    x = 121,338.16

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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.