Home / 115,527.40-173,420.70-89,348.20

Finding the Fourth Proportional to 115,527.40, 173,420.70 and 89,348.20

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Solution

The fourth proportional to 115,527.40, 173,420.70 and 89,348.20 is: 134,122.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,527.40 : 173,420.70 = 89,348.20 : x
  2. Step 2: Convert to fraction form
    115,527.40/173,420.70 = 89,348.20/x
  3. Step 3: Cross multiply
    115,527.40x = 173,420.70 × 89,348.20
  4. Step 4: Simplify right side
    115,527.40x = 15,494,827,387.74
  5. Step 5: Solve for x
    x = 15,494,827,387.74/115,527.40
  6. Step 6: Final answer
    x = 134,122.53

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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.