Home / 133,155.56-183,754.67-72,726.35

Finding the Fourth Proportional to 133,155.56, 183,754.67 and 72,726.35

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Solution

The fourth proportional to 133,155.56, 183,754.67 and 72,726.35 is: 100,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,155.56 : 183,754.67 = 72,726.35 : x
  2. Step 2: Convert to fraction form
    133,155.56/183,754.67 = 72,726.35/x
  3. Step 3: Cross multiply
    133,155.56x = 183,754.67 × 72,726.35
  4. Step 4: Simplify right side
    133,155.56x = 13,363,805,883.50
  5. Step 5: Solve for x
    x = 13,363,805,883.50/133,155.56
  6. Step 6: Final answer
    x = 100,362.36

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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.