Home / 94,090.57-129,903.53-65,401.18

Finding the Fourth Proportional to 94,090.57, 129,903.53 and 65,401.18

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Solution

The fourth proportional to 94,090.57, 129,903.53 and 65,401.18 is: 90,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,090.57 : 129,903.53 = 65,401.18 : x
  2. Step 2: Convert to fraction form
    94,090.57/129,903.53 = 65,401.18/x
  3. Step 3: Cross multiply
    94,090.57x = 129,903.53 × 65,401.18
  4. Step 4: Simplify right side
    94,090.57x = 8,495,843,496.40
  5. Step 5: Solve for x
    x = 8,495,843,496.40/94,090.57
  6. Step 6: Final answer
    x = 90,294.32

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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.