Home / 108,044.90-161,808.15-87,308.90

Finding the Fourth Proportional to 108,044.90, 161,808.15 and 87,308.90

Calculator

Solution

The fourth proportional to 108,044.90, 161,808.15 and 87,308.90 is: 130,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,044.90 : 161,808.15 = 87,308.90 : x
  2. Step 2: Convert to fraction form
    108,044.90/161,808.15 = 87,308.90/x
  3. Step 3: Cross multiply
    108,044.90x = 161,808.15 × 87,308.90
  4. Step 4: Simplify right side
    108,044.90x = 14,127,291,587.54
  5. Step 5: Solve for x
    x = 14,127,291,587.54/108,044.90
  6. Step 6: Final answer
    x = 130,753.90

Related Problems

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.