Home / 94,145.84-129,920.75-51,124.95

Finding the Fourth Proportional to 94,145.84, 129,920.75 and 51,124.95

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Solution

The fourth proportional to 94,145.84, 129,920.75 and 51,124.95 is: 70,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,145.84 : 129,920.75 = 51,124.95 : x
  2. Step 2: Convert to fraction form
    94,145.84/129,920.75 = 51,124.95/x
  3. Step 3: Cross multiply
    94,145.84x = 129,920.75 × 51,124.95
  4. Step 4: Simplify right side
    94,145.84x = 6,642,191,847.71
  5. Step 5: Solve for x
    x = 6,642,191,847.71/94,145.84
  6. Step 6: Final answer
    x = 70,552.16

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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.