Home / 113,429.08-156,509.58-63,118.36

Finding the Fourth Proportional to 113,429.08, 156,509.58 and 63,118.36

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Solution

The fourth proportional to 113,429.08, 156,509.58 and 63,118.36 is: 87,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,429.08 : 156,509.58 = 63,118.36 : x
  2. Step 2: Convert to fraction form
    113,429.08/156,509.58 = 63,118.36/x
  3. Step 3: Cross multiply
    113,429.08x = 156,509.58 × 63,118.36
  4. Step 4: Simplify right side
    113,429.08x = 9,878,628,013.89
  5. Step 5: Solve for x
    x = 9,878,628,013.89/113,429.08
  6. Step 6: Final answer
    x = 87,090.79

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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.