Home / 94,420.50-130,300.29-51,978.84

Finding the Fourth Proportional to 94,420.50, 130,300.29 and 51,978.84

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Solution

The fourth proportional to 94,420.50, 130,300.29 and 51,978.84 is: 71,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,420.50 : 130,300.29 = 51,978.84 : x
  2. Step 2: Convert to fraction form
    94,420.50/130,300.29 = 51,978.84/x
  3. Step 3: Cross multiply
    94,420.50x = 130,300.29 × 51,978.84
  4. Step 4: Simplify right side
    94,420.50x = 6,772,857,925.86
  5. Step 5: Solve for x
    x = 6,772,857,925.86/94,420.50
  6. Step 6: Final answer
    x = 71,730.80

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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.