Home / 90,111.96-124,371.54-54,307.08

Finding the Fourth Proportional to 90,111.96, 124,371.54 and 54,307.08

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Solution

The fourth proportional to 90,111.96, 124,371.54 and 54,307.08 is: 74,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,111.96 : 124,371.54 = 54,307.08 : x
  2. Step 2: Convert to fraction form
    90,111.96/124,371.54 = 54,307.08/x
  3. Step 3: Cross multiply
    90,111.96x = 124,371.54 × 54,307.08
  4. Step 4: Simplify right side
    90,111.96x = 6,754,255,172.50
  5. Step 5: Solve for x
    x = 6,754,255,172.50/90,111.96
  6. Step 6: Final answer
    x = 74,954.04

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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.