Home / 132,690.76-183,117.51-72,263.95

Finding the Fourth Proportional to 132,690.76, 183,117.51 and 72,263.95

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Solution

The fourth proportional to 132,690.76, 183,117.51 and 72,263.95 is: 99,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,690.76 : 183,117.51 = 72,263.95 : x
  2. Step 2: Convert to fraction form
    132,690.76/183,117.51 = 72,263.95/x
  3. Step 3: Cross multiply
    132,690.76x = 183,117.51 × 72,263.95
  4. Step 4: Simplify right side
    132,690.76x = 13,232,794,128.97
  5. Step 5: Solve for x
    x = 13,232,794,128.97/132,690.76
  6. Step 6: Final answer
    x = 99,726.57

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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.