Home / 132,637.15-183,033.30-72,206.25

Finding the Fourth Proportional to 132,637.15, 183,033.30 and 72,206.25

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Solution

The fourth proportional to 132,637.15, 183,033.30 and 72,206.25 is: 99,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,637.15 : 183,033.30 = 72,206.25 : x
  2. Step 2: Convert to fraction form
    132,637.15/183,033.30 = 72,206.25/x
  3. Step 3: Cross multiply
    132,637.15x = 183,033.30 × 72,206.25
  4. Step 4: Simplify right side
    132,637.15x = 13,216,148,218.13
  5. Step 5: Solve for x
    x = 13,216,148,218.13/132,637.15
  6. Step 6: Final answer
    x = 99,641.38

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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.