Home / 90,284.10-124,462.21-63,343.14

Finding the Fourth Proportional to 90,284.10, 124,462.21 and 63,343.14

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Solution

The fourth proportional to 90,284.10, 124,462.21 and 63,343.14 is: 87,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,284.10 : 124,462.21 = 63,343.14 : x
  2. Step 2: Convert to fraction form
    90,284.10/124,462.21 = 63,343.14/x
  3. Step 3: Cross multiply
    90,284.10x = 124,462.21 × 63,343.14
  4. Step 4: Simplify right side
    90,284.10x = 7,883,827,192.74
  5. Step 5: Solve for x
    x = 7,883,827,192.74/90,284.10
  6. Step 6: Final answer
    x = 87,322.43

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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.