Home / 115,972.05-160,041.45-70,650.02

Finding the Fourth Proportional to 115,972.05, 160,041.45 and 70,650.02

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Solution

The fourth proportional to 115,972.05, 160,041.45 and 70,650.02 is: 97,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,972.05 : 160,041.45 = 70,650.02 : x
  2. Step 2: Convert to fraction form
    115,972.05/160,041.45 = 70,650.02/x
  3. Step 3: Cross multiply
    115,972.05x = 160,041.45 × 70,650.02
  4. Step 4: Simplify right side
    115,972.05x = 11,306,930,666.50
  5. Step 5: Solve for x
    x = 11,306,930,666.50/115,972.05
  6. Step 6: Final answer
    x = 97,497.03

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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.