Home / 70,132.18-105,199.20-23,385.07

Finding the Fourth Proportional to 70,132.18, 105,199.20 and 23,385.07

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Solution

The fourth proportional to 70,132.18, 105,199.20 and 23,385.07 is: 35,077.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,132.18 : 105,199.20 = 23,385.07 : x
  2. Step 2: Convert to fraction form
    70,132.18/105,199.20 = 23,385.07/x
  3. Step 3: Cross multiply
    70,132.18x = 105,199.20 × 23,385.07
  4. Step 4: Simplify right side
    70,132.18x = 2,460,090,655.94
  5. Step 5: Solve for x
    x = 2,460,090,655.94/70,132.18
  6. Step 6: Final answer
    x = 35,077.92

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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.