Home / 115,026.71-158,722.59-66,628.02

Finding the Fourth Proportional to 115,026.71, 158,722.59 and 66,628.02

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Solution

The fourth proportional to 115,026.71, 158,722.59 and 66,628.02 is: 91,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,026.71 : 158,722.59 = 66,628.02 : x
  2. Step 2: Convert to fraction form
    115,026.71/158,722.59 = 66,628.02/x
  3. Step 3: Cross multiply
    115,026.71x = 158,722.59 × 66,628.02
  4. Step 4: Simplify right side
    115,026.71x = 10,575,371,478.44
  5. Step 5: Solve for x
    x = 10,575,371,478.44/115,026.71
  6. Step 6: Final answer
    x = 91,938.40

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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.