Home / 130,035.38-179,449.02-70,419.38

Finding the Fourth Proportional to 130,035.38, 179,449.02 and 70,419.38

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Solution

The fourth proportional to 130,035.38, 179,449.02 and 70,419.38 is: 97,178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,035.38 : 179,449.02 = 70,419.38 : x
  2. Step 2: Convert to fraction form
    130,035.38/179,449.02 = 70,419.38/x
  3. Step 3: Cross multiply
    130,035.38x = 179,449.02 × 70,419.38
  4. Step 4: Simplify right side
    130,035.38x = 12,636,687,832.76
  5. Step 5: Solve for x
    x = 12,636,687,832.76/130,035.38
  6. Step 6: Final answer
    x = 97,178.85

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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.