Home / 130,162.29-195,194.16-70,965.74

Finding the Fourth Proportional to 130,162.29, 195,194.16 and 70,965.74

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Solution

The fourth proportional to 130,162.29, 195,194.16 and 70,965.74 is: 106,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,162.29 : 195,194.16 = 70,965.74 : x
  2. Step 2: Convert to fraction form
    130,162.29/195,194.16 = 70,965.74/x
  3. Step 3: Cross multiply
    130,162.29x = 195,194.16 × 70,965.74
  4. Step 4: Simplify right side
    130,162.29x = 13,852,098,008.08
  5. Step 5: Solve for x
    x = 13,852,098,008.08/130,162.29
  6. Step 6: Final answer
    x = 106,421.74

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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.