Home / 132,613.02-183,010.79-72,180.74

Finding the Fourth Proportional to 132,613.02, 183,010.79 and 72,180.74

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Solution

The fourth proportional to 132,613.02, 183,010.79 and 72,180.74 is: 99,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,613.02 : 183,010.79 = 72,180.74 : x
  2. Step 2: Convert to fraction form
    132,613.02/183,010.79 = 72,180.74/x
  3. Step 3: Cross multiply
    132,613.02x = 183,010.79 × 72,180.74
  4. Step 4: Simplify right side
    132,613.02x = 13,209,852,974.23
  5. Step 5: Solve for x
    x = 13,209,852,974.23/132,613.02
  6. Step 6: Final answer
    x = 99,612.04

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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.