Home / 132,810.18-183,274.88-72,382.74

Finding the Fourth Proportional to 132,810.18, 183,274.88 and 72,382.74

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Solution

The fourth proportional to 132,810.18, 183,274.88 and 72,382.74 is: 99,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,810.18 : 183,274.88 = 72,382.74 : x
  2. Step 2: Convert to fraction form
    132,810.18/183,274.88 = 72,382.74/x
  3. Step 3: Cross multiply
    132,810.18x = 183,274.88 × 72,382.74
  4. Step 4: Simplify right side
    132,810.18x = 13,265,937,987.57
  5. Step 5: Solve for x
    x = 13,265,937,987.57/132,810.18
  6. Step 6: Final answer
    x = 99,886.45

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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.