Home / 113,103.36-169,660.64-42,988.16

Finding the Fourth Proportional to 113,103.36, 169,660.64 and 42,988.16

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Solution

The fourth proportional to 113,103.36, 169,660.64 and 42,988.16 is: 64,484.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,103.36 : 169,660.64 = 42,988.16 : x
  2. Step 2: Convert to fraction form
    113,103.36/169,660.64 = 42,988.16/x
  3. Step 3: Cross multiply
    113,103.36x = 169,660.64 × 42,988.16
  4. Step 4: Simplify right side
    113,103.36x = 7,293,398,738.02
  5. Step 5: Solve for x
    x = 7,293,398,738.02/113,103.36
  6. Step 6: Final answer
    x = 64,484.37

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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.