Home / 113,265-156,305.70-62,973.72

Finding the Fourth Proportional to 113,265, 156,305.70 and 62,973.72

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Solution

The fourth proportional to 113,265, 156,305.70 and 62,973.72 is: 86,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,265 : 156,305.70 = 62,973.72 : x
  2. Step 2: Convert to fraction form
    113,265/156,305.70 = 62,973.72/x
  3. Step 3: Cross multiply
    113,265x = 156,305.70 × 62,973.72
  4. Step 4: Simplify right side
    113,265x = 9,843,151,386.20
  5. Step 5: Solve for x
    x = 9,843,151,386.20/113,265
  6. Step 6: Final answer
    x = 86,903.73

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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.