Home / 90,005.24-124,114.19-77,300.49

Finding the Fourth Proportional to 90,005.24, 124,114.19 and 77,300.49

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Solution

The fourth proportional to 90,005.24, 124,114.19 and 77,300.49 is: 106,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,005.24 : 124,114.19 = 77,300.49 : x
  2. Step 2: Convert to fraction form
    90,005.24/124,114.19 = 77,300.49/x
  3. Step 3: Cross multiply
    90,005.24x = 124,114.19 × 77,300.49
  4. Step 4: Simplify right side
    90,005.24x = 9,594,087,702.95
  5. Step 5: Solve for x
    x = 9,594,087,702.95/90,005.24
  6. Step 6: Final answer
    x = 106,594.77

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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.