Home / 90,069.30-124,005.06-74,126.34

Finding the Fourth Proportional to 90,069.30, 124,005.06 and 74,126.34

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Solution

The fourth proportional to 90,069.30, 124,005.06 and 74,126.34 is: 102,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,069.30 : 124,005.06 = 74,126.34 : x
  2. Step 2: Convert to fraction form
    90,069.30/124,005.06 = 74,126.34/x
  3. Step 3: Cross multiply
    90,069.30x = 124,005.06 × 74,126.34
  4. Step 4: Simplify right side
    90,069.30x = 9,192,041,239.28
  5. Step 5: Solve for x
    x = 9,192,041,239.28/90,069.30
  6. Step 6: Final answer
    x = 102,055.21

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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.