Home / 93,420.30-140,130.45-31,090.80

Finding the Fourth Proportional to 93,420.30, 140,130.45 and 31,090.80

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Solution

The fourth proportional to 93,420.30, 140,130.45 and 31,090.80 is: 46,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,420.30 : 140,130.45 = 31,090.80 : x
  2. Step 2: Convert to fraction form
    93,420.30/140,130.45 = 31,090.80/x
  3. Step 3: Cross multiply
    93,420.30x = 140,130.45 × 31,090.80
  4. Step 4: Simplify right side
    93,420.30x = 4,356,767,794.86
  5. Step 5: Solve for x
    x = 4,356,767,794.86/93,420.30
  6. Step 6: Final answer
    x = 46,636.20

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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.