Home / 94,672.95-142,031.34-28,111.65

Finding the Fourth Proportional to 94,672.95, 142,031.34 and 28,111.65

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Solution

The fourth proportional to 94,672.95, 142,031.34 and 28,111.65 is: 42,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,672.95 : 142,031.34 = 28,111.65 : x
  2. Step 2: Convert to fraction form
    94,672.95/142,031.34 = 28,111.65/x
  3. Step 3: Cross multiply
    94,672.95x = 142,031.34 × 28,111.65
  4. Step 4: Simplify right side
    94,672.95x = 3,992,735,319.11
  5. Step 5: Solve for x
    x = 3,992,735,319.11/94,672.95
  6. Step 6: Final answer
    x = 42,173.98

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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.