Home / 108,312.40-162,031.20-93,683.80

Finding the Fourth Proportional to 108,312.40, 162,031.20 and 93,683.80

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Solution

The fourth proportional to 108,312.40, 162,031.20 and 93,683.80 is: 140,147.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,312.40 : 162,031.20 = 93,683.80 : x
  2. Step 2: Convert to fraction form
    108,312.40/162,031.20 = 93,683.80/x
  3. Step 3: Cross multiply
    108,312.40x = 162,031.20 × 93,683.80
  4. Step 4: Simplify right side
    108,312.40x = 15,179,698,534.56
  5. Step 5: Solve for x
    x = 15,179,698,534.56/108,312.40
  6. Step 6: Final answer
    x = 140,147.37

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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.