Home / 100,938.30-151,407.45-94,328.70

Finding the Fourth Proportional to 100,938.30, 151,407.45 and 94,328.70

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Solution

The fourth proportional to 100,938.30, 151,407.45 and 94,328.70 is: 141,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,938.30 : 151,407.45 = 94,328.70 : x
  2. Step 2: Convert to fraction form
    100,938.30/151,407.45 = 94,328.70/x
  3. Step 3: Cross multiply
    100,938.30x = 151,407.45 × 94,328.70
  4. Step 4: Simplify right side
    100,938.30x = 14,282,067,928.82
  5. Step 5: Solve for x
    x = 14,282,067,928.82/100,938.30
  6. Step 6: Final answer
    x = 141,493.05

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1.5x scale

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.