Home / 130,288.59-195,461.57-74,155.12

Finding the Fourth Proportional to 130,288.59, 195,461.57 and 74,155.12

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Solution

The fourth proportional to 130,288.59, 195,461.57 and 74,155.12 is: 111,249.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,288.59 : 195,461.57 = 74,155.12 : x
  2. Step 2: Convert to fraction form
    130,288.59/195,461.57 = 74,155.12/x
  3. Step 3: Cross multiply
    130,288.59x = 195,461.57 × 74,155.12
  4. Step 4: Simplify right side
    130,288.59x = 14,494,475,875.47
  5. Step 5: Solve for x
    x = 14,494,475,875.47/130,288.59
  6. Step 6: Final answer
    x = 111,249.00

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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.