Home / 99,335.64-148,947.30-90,862.41

Finding the Fourth Proportional to 99,335.64, 148,947.30 and 90,862.41

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Solution

The fourth proportional to 99,335.64, 148,947.30 and 90,862.41 is: 136,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,335.64 : 148,947.30 = 90,862.41 : x
  2. Step 2: Convert to fraction form
    99,335.64/148,947.30 = 90,862.41/x
  3. Step 3: Cross multiply
    99,335.64x = 148,947.30 × 90,862.41
  4. Step 4: Simplify right side
    99,335.64x = 13,533,710,640.99
  5. Step 5: Solve for x
    x = 13,533,710,640.99/99,335.64
  6. Step 6: Final answer
    x = 136,242.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.