Home / 130,490.10-195,742.59-36,988.50

Finding the Fourth Proportional to 130,490.10, 195,742.59 and 36,988.50

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Solution

The fourth proportional to 130,490.10, 195,742.59 and 36,988.50 is: 55,484.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,490.10 : 195,742.59 = 36,988.50 : x
  2. Step 2: Convert to fraction form
    130,490.10/195,742.59 = 36,988.50/x
  3. Step 3: Cross multiply
    130,490.10x = 195,742.59 × 36,988.50
  4. Step 4: Simplify right side
    130,490.10x = 7,240,224,790.22
  5. Step 5: Solve for x
    x = 7,240,224,790.22/130,490.10
  6. Step 6: Final answer
    x = 55,484.86

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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.