Home / 133,116.06-183,695.34-72,685.62

Finding the Fourth Proportional to 133,116.06, 183,695.34 and 72,685.62

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Solution

The fourth proportional to 133,116.06, 183,695.34 and 72,685.62 is: 100,303.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,116.06 : 183,695.34 = 72,685.62 : x
  2. Step 2: Convert to fraction form
    133,116.06/183,695.34 = 72,685.62/x
  3. Step 3: Cross multiply
    133,116.06x = 183,695.34 × 72,685.62
  4. Step 4: Simplify right side
    133,116.06x = 13,352,009,679.01
  5. Step 5: Solve for x
    x = 13,352,009,679.01/133,116.06
  6. Step 6: Final answer
    x = 100,303.52

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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.