Home / 120,587.24-166,420.50-70,289.48

Finding the Fourth Proportional to 120,587.24, 166,420.50 and 70,289.48

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Solution

The fourth proportional to 120,587.24, 166,420.50 and 70,289.48 is: 97,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,587.24 : 166,420.50 = 70,289.48 : x
  2. Step 2: Convert to fraction form
    120,587.24/166,420.50 = 70,289.48/x
  3. Step 3: Cross multiply
    120,587.24x = 166,420.50 × 70,289.48
  4. Step 4: Simplify right side
    120,587.24x = 11,697,610,406.34
  5. Step 5: Solve for x
    x = 11,697,610,406.34/120,587.24
  6. Step 6: Final answer
    x = 97,005.37

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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.