Home / 100,017.45-150,050.61-70,492.95

Finding the Fourth Proportional to 100,017.45, 150,050.61 and 70,492.95

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Solution

The fourth proportional to 100,017.45, 150,050.61 and 70,492.95 is: 105,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,017.45 : 150,050.61 = 70,492.95 : x
  2. Step 2: Convert to fraction form
    100,017.45/150,050.61 = 70,492.95/x
  3. Step 3: Cross multiply
    100,017.45x = 150,050.61 × 70,492.95
  4. Step 4: Simplify right side
    100,017.45x = 10,577,510,148.20
  5. Step 5: Solve for x
    x = 10,577,510,148.20/100,017.45
  6. Step 6: Final answer
    x = 105,756.65

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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.