Home / 94,200.54-129,989.19-53,905.07

Finding the Fourth Proportional to 94,200.54, 129,989.19 and 53,905.07

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Solution

The fourth proportional to 94,200.54, 129,989.19 and 53,905.07 is: 74,384.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,200.54 : 129,989.19 = 53,905.07 : x
  2. Step 2: Convert to fraction form
    94,200.54/129,989.19 = 53,905.07/x
  3. Step 3: Cross multiply
    94,200.54x = 129,989.19 × 53,905.07
  4. Step 4: Simplify right side
    94,200.54x = 7,007,075,736.25
  5. Step 5: Solve for x
    x = 7,007,075,736.25/94,200.54
  6. Step 6: Final answer
    x = 74,384.67

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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.